Identity and Access Management

A Guide to Cyber Security for SMEs

There’s a continual stream of blogs and posts about cyber security and the sometimes catastrophic effects of getting it wrong, but there is very little that tells SMEs what they should be doing, and it’s generally left to local IT management companies and VARs (Value Added Resellers – i.e. those who sell various products and add value by configuring and managing them).  I’m not knocking those companies; they have a very valid business model.  But what they aren’t are cyber security professionals and generally their security expertise is focused on the products that they sell.  For instance, they will have good skills in installing and configuring security products such as anti-virus and firewalls but there is generally no knowledge of cyber risk management and assessment, thereby ensuring that you have the right defences in the right place, providing the best value for your limited spend, and ignoring the non-technical solutions that are often a better bet than a piece of technology.

SMEs generally have very little budget to allocate to this and that means that what budget they have needs to be effectively targeted at what is important.  They need to be aiming for a situation whereby when a potential attacker targets them, they appear to be a more difficult nut to crack than other organisations in their space and their size.  Attackers want things to be easy, not difficult, and they will often move on if things get difficult.  A criminal is in the game of getting easy money.

Let’s take a look at what cyber security is all about, and more importantly, why you need it?  Let’s tackle the first question – what is cyber security?  One definition is as follows:

Cybersecurity is the practice of protecting computer systems, networks, software, and data from digital attacks, unauthorised access, damage, or theft. It involves a range of technologies, processes, and practices designed to:

  • Prevent cyberattacks
  • Detect breaches or suspicious activity
  • Respond to security incidents
  • Recover from damage or loss caused by attacks

The problem is of course that each bullet point there covers a multitude of issues that need to be addressed.  The question is understanding what those issues are, how they affect you and what is the priority i.e. what are the most important things that you need to protect, and what comes next, all managed within whatever budget you can allocate to it.  It’s not easy and you might feel that you don’t need to do everything but that you need to cover off the most important issues.  That means of course that you need to know what those issues are.

The first thing you need to do is to identify your cyber assets.  Assets are not confined to hardware and software, far from it.  A cybersecurity asset is anything of value that requires protection in a digital context. Identifying and classifying these assets is a foundational step in building a strong cybersecurity posture.  Assets will change from company to company, depending upon how you’re organised and what business you are in, but generally:

Hardware Assets

  • Servers, routers, laptops, mobile devices, firewalls
  • Why it matters: Physical devices are entry points for attackers and must be secured.

Software Assets

  • Operating systems, applications, databases etc
  • Why it matters: Vulnerabilities in software can be exploited to gain unauthorised access.

Data Assets

  • Customer records, financial data, intellectual property, source code
  • Why it matters: Data breaches can lead to regulatory fines, reputational damage, and financial loss.

Network Assets

  • VPNs, switches, IP addresses, subnets
  • Why it matters: Networks facilitate communication and, if not protected, can be avenues for lateral movement by attackers.

People Assets

  • Employees, contractors, system administrators
  • Why it matters: Human error is a leading cause of breaches, so training and access control are crucial.

Cloud and Virtual Assets

  • Virtual machines, containers, cloud storage (e.g., AWS S3, Azure Blob Storage)
  • Why it matters: Cloud environments introduce new attack surfaces that must be monitored and managed.

An example could be a customer database, maybe on the cloud or via an app, or even an onsite server.  You class this as high value because it contains personally identifiable information (PII) and of course all your interactions with those customers and the value they have to you.  Lose that and you might be out of business.  You decide to encrypt it and use multi factor authentication and have daily backups, not kept online.

Identifying the assets is the first step in defining what protections you need.  You then have to categorise those assets and decide how important they are to the business before you can decide what levels of protection they need.

Having categorised your assets, you then need to assign a risk score to them.  Now, this can be done formally via a formal risk assessment, but I accept that many SMEs can’t afford to have that done, and, given the size of the company and the amount/types of information held, it might be relatively easy, when compared to a corporate body, to assign a risk score to each asset.

The next step then is to apply a risk score to the assets in accordance with how you have assessed them, this in turn informs you of the importance of each asset and how you will need to protect them.  In other words, you are now targeting your spend to where you know it will be most effective.

We then need to identify the vulnerabilities and the threats and that is where most organisations require help.

Here at H2 we use our considerable experience in doing this for corporate level organisations, and translating that into doable chunks for SMEs, carving up what is needed into priorities and working with clients to decide what those priorities are.  We do this keeping in mind the principle of People, Process and then Technology, keeping in mind that many protections, or controls as we term them, are actually not technical but are procedural, based on sound policy and process, and therefore costing very little.

We take a phased approach:

The first phase works with the client to decide where they are now, on a scale which we take from the Carnegie Melon cyber maturity model.  Most SMEs come out at around 1 to 2 on the scale and aim to get to 3 to 3.5.  The scale goes up to 5 but, as you can see from the phased approach above, this tends to be not necessary for an SME and is often too expensive anyway.

Once we know our starting point, we identify quick wins to tighten up security.  As a rule, that will include things like cyber awareness training for staff, ensuring that all access is controlled using MFA of some sort and making sure that Admin rights are strictly controlled.  Depending on the company and what it does, it might mean instituting some form of identity management.

As part of the Quick win phase, we also look at policies and processes.  Is there a process for allocating and removing rights?  Is there a policy and process about on and off boarding staff etc.  Other policies we might need to look at include:

  • Top-level policy issued by the board
  • Starters and Leavers Policy
  • Access Control Policy
  • Magnetic Media Policy
  • Mobile Working Policy
  • Password Policy
  • Email Policy
  • Acceptable Use Policy
  • Data Protection

That done we move on to Phase 2 which is where we might recommend encryption both at rest and in transit, for critical data assets.  We will discuss back up procedures and processes which will ensure that backups are securely stored and that restoring from backups is practiced and works.  We will discuss incident handling procedures and business continuity planning.  Finally, we will discuss monitoring and audit, two things that until quite recently tended to be out of the price range of SMEs.  However, there are now systems and services on the market which are affordable.

This all seems a bit daunting, but if taken in chunks and phased over perhaps several budgetary periods it is doable, and you really need to consider it.

Ransomware – The Threat That Keeps On Giving


I know I’ve banged on about this quite a bit recently, but I make no apologies for it.  It has sprung to the front again following the Panorama programme on Monday night which highlighted the often catastrophic effects of ransomware on companies, and had interviews with the National Cyber Security Centre (NCSC) and the National Crime Agency (NCA), with an NCA rep saying that 2025 is shaping up to be the worst year ever for ransomware and the CEO of NSCS calling on businesses to face up to the issue and sort out their cyber defences.

The programme highlighted that Ransomware as a Service (RaaS) now enables less skilled attackers to run ransomware, complete with support and updates. Over 70% of attacks now use these services.
 
Attackers have shifted to double/triple extortion schemes, encrypting data, threatening to leak it, and sometimes targeting associated partners or customers. Next-gen ransomware, e.g. LockBit 4.0, BianLian etc, is rolling out advanced stealth, data theft, and automated lateral movement techniques, using an initial breach to jump across to other parts of your network or that of your partners and customers.
 
You’ll have to forgive me for being a bit smug as the programme highlighted issues that I’ve been talking about for a long time now.  Firstly, it’s not just the corporates that are targets for this.  SMEs are also very much in the firing line.  The programme highlighted an example I’ve quoted before.  Knight of Old (part of the KNP Logistics Group) suffered consequences that they just couldn’t recover from.

In June 2023, the Akira ransomware gang infiltrated the company via stolen credentials and encrypted critical systems, including freight-tracking, payments, and internal servers, displaying this chilling message:
 
“If you’re reading this, it means the internal infrastructure of your company is fully or partially dead.” 
 
The group also threatened to release over 10,000 confidential documents (payroll, invoices, financial files) as a form of double extortion. Despite having cyber insurance and backups, they couldn’t fully restore financial systems, and some backups were also destroyed.  Insurers covered only the initial cleanup (~£250k) and $1M policy, but this fell far short of covering the estimated $2.7–$5.3 million ransom or the broader economic damage.  Operational disruption prevented them from producing reports and financial statements, essential for securing bank funding. A sale fell through, as buyers wanted director guarantees they couldn’t offer.
 
The company entered administration in September 2023 and ceased operations.  Around 730 out of 900 employees lost their jobs, including many long-serving drivers and staff who were owed unpaid wages.  Local impact was severe: furloughed staff lost homes, cars, and some experienced severe personal hardship.
 
It appears that the attack was perpetrated via a weak password and the absence of multi-factor authentication (MFA), with the gang using a brute force method to crack the password.  It underscores the fact that even companies with cyber insurance and accredited systems are vulnerable.
 
Obviously, we’re not party to the full facts but the company’s directors have been quite candid in interview, and we have to wonder if something as simple as good cyber awareness training and the introduction of MFA could have stopped this attack in its tracks.  There are other factors to consider though.  The backups seemed to have failed, with some of them being destroyed by the attack, suggesting that these backups were on the same network as the main system.
 
Clearly what is needed is defence in depth, based on the tried and tested method of risk management.  The idea of defence in depth stems from military defences, where there are multiple layers to a defensive system.  In cyber security we talk about People, Process and then Technology.  I’ll once again trot out the quote from Bruce Schneier, ‘If you think technology will solve your cyber security problem, you don’t understand the problem and you don’t understand the technology’.  This aligns very well with the opinion of both NCSC and NCA that the majority of these attacks are more in line with scams than with technical hacking.
 
Rather than bore you with the components of risk management in cyber, I’ll just point you towards a short video we produced on the subject.
 
Risk Management – a short video
 
We produced another video which highlights social engineering.  That is the method by which much of these attacks are undertaken which are not particularly technical in nature.  It’s the People part of the risk management process and is arguably the quickest and cheapest win any company can take.  It’s a continual source of wonder amongst cyber security professionals that a large focus remains on technology whilst ignoring this vital element.  Our short video tries to hit the highlights but in this changing landscape, we haven’t hit them all.
 
Social Engineering – A Short Video
 
The takeaway from this should be that no one is safe or immune from a ransomware attack, particularly ransomware as a service.  This latter means that the attacker doesn’t need to be technically proficient, just determined.  It enables attackers to target multiple companies at once.  If they, for instance, attack 1000 companies at the same time, using the same service, and ask for moderate amounts of ransom, they only need to hit around a 40-50% success rate to make a decent profit.  Add in AI which makes this so much easier to do, and you’ve got an idea of how much of a business this is for criminal and nation state sponsored gangs.

An Increase in sophistication in cyber-attacks in 2025

There is a lot of discussion about AI, it’s benefits to society in general and its undoubted downside.  It’s a fascinating subject and AI can really become the gift that keeps on giving, but a downside for those of us concerned with cyber security, and really that should be all of us, is that we’ve always played catch up to the cyber criminals, trying and often failing to anticipate what the next attack will be, what the next series of attacks will be.  Will it be ransomware, denial of service or perhaps a new and more sophisticated scam?  Who knows?  And there is no doubt that AI is raising the bar.

I have talked a lot about the re-emergence of the script kiddie and how AI in enabling this breed of wannabe criminals.  For those who maybe don’t now, a script kiddie was a low level, part skilled hacker, who downloaded scripts from the dark web, put there by the more competent hacker who hoped to sell them.  The script kiddie would use those scripts to try and attack targets.  But it’s also true that the more skilled and sophisticated criminal is making use of AI and finding new and innovative ways of relieving you of your hard-earned cash.

What we are seeing in 2025 is an era where cyber‑attacks are AI‑powered, highly targeted, automated, supply‑chain enabled, multi‑stage, and geopolitically driven. These attacks exploit weaknesses across credential systems, zero‑day exploits, deepfake tools, and ransomware as a service (RaaS) platforms.

We are in an accelerating digital arms race that calls for AI‑driven defence capabilities, real‑time insights, deception environments, zero‑trust architectures, and quantum‑safe cryptography.

a. AI-powered precision and scale

  • Cybercriminals are leveraging AI to automate vulnerability scans at astonishing speeds, up to 36,000 scans per second, resulting in massive volumes of stolen credentials (1.7 billion) and drastic upticks in targeted attacks.
  • AI is also generating hyper-realistic phishing messages, deepfake audio/video, and even “CEO fraud” to manipulate individuals into transferring funds, like a deepfake trick that siphoned US $25 M in Hong Kong.

b. Ransomware as a Service (RaaS) 3.0

  • RaaS platforms now enable less skilled attackers to run ransomware, complete with support and updates. Over 70% of attacks now use these services.
  • Attackers have shifted to double/triple extortion schemes, encrypting data, threatening to leak it, and sometimes targeting associated partners or customers.
  • Next-gen ransomware, e.g. LockBit 4.0, BianLian etc, is rolling out advanced stealth, data theft, and automated lateral movement techniques, ie using an initial breach to jump across to other parts of your network or that of your partners and customers.

c. Supply‑chain & third‑party infiltration

  • Attacks starting via third-party software or vendors (e.g., SolarWinds-style) allow hackers to move laterally into networks and compromise multiple organisations simultaneously.

d. State‑sponsored & geopolitical cyber warfare

  • Nation-states (China, Russia, Iran, North Korea) are not just using espionage but now partnering with ransomware gangs to conduct financially and politically motivated operations.
  • Iranian state-aligned hackers are conducting sophisticated credential theft, MFA bypass, lateral infiltration, DDoS, website defacements, and disinformation across geographies.

e.  Zero‑days and living‑off‑the‑land

  • Exploit kits now rapidly find zero-day vulnerabilities, especially in cloud environments, to bypass patching cycles.
  • Attackers increasingly use built-in legitimate software and system tools (living off the land) to evade detection.

f.  Credential theft resurgence

  • Reported credential theft incidents rose 300% from 2023 to 2024, with 25% of malware focused on stealing login data.
  • These stolen credentials are a gateway for automated brute‑force, lateral movements, and supply‑chain infiltration.

g.  Targeting of IoT, OT & mobile platforms

  • Millions of IoT and OT systems (from manufacturing to agriculture) remain insecure and are now common targets of AI‑driven automated attacks.
  • Mobile‑specific ransomware is emerging; threat actors are developing malware to extort victims directly via their mobile devices.

h.  Rise of deception technology and defence adaptability

  • In response, organisations are deploying deception tech (honeypots, decoys) to detect lateral intrusions or zero-day exploits in real time.
  • Proactive threat intelligence, zero‑trust frameworks, AI‑driven detection, and adoption of post‑quantum cryptography are becoming critical defensive measures.

SMEs still have the mind-set that these attacks are just about the corporate sector and that they are safe because they are small and not worth targeting.  Wrong.  SMEs are considered low hanging fruit because they typically spend much less on their defences and tend not to have access to the right levels of support and advice.  SMEs make up over 90% of the UK GDP, that’s huge and it makes them worth attacking if, for example, a nation state wanted to cripple the UK economy.  AI automation makes this much easier to achieve and attackers at all levels can leverage AI to automate attacks against multiple SMEs at the same time using the same methods.  If they attack 1000 SMEs at once, and get a 50% hit rate, that is good business for them.

We are seeing AI letting attackers scan thousands of targets at once, deploy malware bots and use brute force tools.  They are automating phishing and social engineering allowing them to deepfake audio and video, using cloned voices to mimic senior personnel in companies.  Don’t be lulled into a false sense of security, AI makes this a relatively easy thing to do, doesn’t take high levels of skill, and is highly automated.

There is a real fear that traditional firewalls and spam filters used by most SMEs may fail to detect these advanced threats.

In summary AI-driven cyberattacks pose a significant and growing threat to small and medium-sized enterprises (SMEs). While larger corporations may have the resources to defend themselves, SMEs are often more vulnerable due to limited cybersecurity budgets, staffing, and expertise.

Supply Chain Attacks

There have been a number of recent cyber-attacks that have used supply chains that many large businesses have.  These businesses rely on smaller ones to provide key components that they require in their manufacturing or other processes.  That supply chain is critical to their operations and therefore needs to be robust and secure.  An attacker is constantly looking for weak links in cyber defences, that can be exploited for financial gain.  They will look at an SME as such a weak link, expecting the SME to have a lower understanding of the threat, and lower expenditure on defence.  They will be looking to piggyback on loopholes in the suppliers defences, to attack their main target.

A cyberattack on a supply chain can have far-reaching and severe consequences, not just for the targeted organisation, but also for its partners, customers, and even national security when considering the critical national infrastructure, nuclear, transport, energy, water etc.  In short SMEs are a high‑risk conduit for supply chain attacks. Even minor breaches in small firms can ripple out, causing data loss, operational shutdowns, regulatory scrutiny, and reputational damage—highlighting why third‑party cybersecurity should be a top priority for all.

What real world examples can we give, particularly in the UK.  Below are some notable UK supply chain cyber‑attacks that impacted SMEs and their customers, especially within third-party and vendor ecosystems

  • CTS breach — affecting dozens of UK law firms via SME IT provider

In 2023, CTS, a small IT supplier to multiple conveyancing and legal firms, was compromised. This granted attackers access to the networks of multiple SMEs in the legal sector, enabling potential data theft and operational disruption.

  • Metropolitan Police — hack via a small supplier

In 2023, hackers penetrated the Metropolitan Police by targeting a supplier responsible for police ID badges. Because the SME provider’s systems were breached, attacker access extended to personal staff data (names, ranks, photos, pay numbers), highlighting how SMEs serve as gateways for attacks on major institutions.

  • Synnovis ransomware — disrupting NHS clinical services

In June 2024, Synnovis, a pathology service provider for NHS hospitals, was hit by a Clop ransomware attack. Though Synnovis is not a front-line NHS body, as an essential subcontractor, the breach led to cancellations and testing disruptions in major London hospitals.

  • Blue Yonder — supply chain SaaS hack hits supermarkets & small logistics partners

In November 2024, Blue Yonder, a logistics SaaS provider, suffered a ransomware attack. Major supermarkets like Sainsbury’s and Morrisons were impacted—but crucially, many small UK warehouses and logistics SMEs that rely on the platform had to revert to manual operations, enduring days or weeks of chaos.

  • Systemic SMEs-vulnerability in UK supply chains

Research shows 77% of UK SMEs lack in-house cybersecurity, making them “soft targets” for attackers looking to pivot into larger clients. Meanwhile, 95% of larger UK companies reported experiencing negative impacts via vendor incidents.

Why SMEs are often the weak link in supply chains

  • SMEs often run with minimal cybersecurity budgets, lacking formal certifications.
  • Granted privileged access to larger clients.  Many large organisations operate a just in time supply system, requiring their suppliers to be integrated into their systems.
  • When compromised, they become easy stepping-stones into bigger networks.

Summary Table of SME related supply chain attacks

Incident & DateSME RoleImpact
CTS (2023)IT supplier to law firmsDozens of SMEs exposed
Met Police (2023)Badge/ID card vendorPolice data compromised
Synnovis (June 2024)Pathology providerHospital labs disrupted
Blue Yonder (Nov 2024)Logistics SaaS providerSME warehouses/businesses disrupted

What consequences can we expect from a supply chain attack?

  • Data Breach and Intellectual Property Theft
    • Exposure of sensitive data: Customer data, supplier contracts, or internal communications.
    • Theft of intellectual property: Designs, formulas, or proprietary technologies can be stolen and exploited.
  • Operational Disruption
    • Production halts: If a manufacturer’s software is attacked, it may stop production.
    • Delayed shipments: Logistic partners may be unable to fulfil deliveries.
    • Inventory management issues: Automated systems may become unreliable or inaccessible.
  • Financial Loss

         •       Direct losses: Ransom payments, remediation costs, and legal fees.

         •       Indirect losses: Lost sales, customer churn, and regulatory fines.

            •     Stock impact: Public companies may see a drop in share price following disclosure.

  • Ripple Effects Across the Ecosystem
    • Third-party impact: A breach in one company can compromise many others (CTS attack).
    • Supplier distrust: Loss of trust among partners can damage relationships and business opportunities.
    • Geopolitical risks: If critical infrastructure or government suppliers are hit, it can trigger national security concerns.
  • Legal and Regulatory Consequences
  • Violations of GDPR, PCI, etc.: Leading to hefty fines and legal action.
  • Breach notification requirements: Mandatory reporting can hurt brand image and cause public fallout.
  • Reputational Damage
  • Loss of customer trust: Perception of weak cybersecurity can cause long-term brand damage.
    • Negative media coverage: Public awareness of the breach can linger for years.
  • Competitive Disadvantage
  • Loss of proprietary data: Competitors may gain an edge.
  • Resource diversion: Time and money spent on recovery rather than innovation or expansion.

Protecting against a supply chain attack

This will involve a mix of technical, procedural, and strategic measures. You need to understand that technology alone will not protect you.  You must take a risk managed approach and understand that these attacks target vulnerabilities in third-party vendors, partners, or software dependencies.  They will employ social engineering techniques and phishing in all its forms.

  • Know Your Suppliers and Vendors
  • If you are managing suppliers:
  • Inventory all third parties: Maintain an up-to-date list of all external vendors, software providers, cloud services, and contractors.
  • Assess risk levels: Identify which vendors have access to critical systems or sensitive data.
  • Ensure that you suppliers are aware of your security policies and that they have agreed to abide by them.  Audit that.
  • Include security requirements in contracts (such as regular audits, breach notification timelines, etc.).
  • Ask for compliance evidence (ie, Cyber Essentials etc.).
  • If you are a supplier to a larger organisation:
  • Know and understand your customers security policies and undertake to abide by them.  Don’t pay lip service, actually do it.
  • Make sure you understand your contractual obligations in this regard.  Failure to do so could put you out of business.
  • Use Zero Trust Architecture
  • Apply least privilege access to vendors and third-party applications.
  • Isolate critical systems from less-trusted networks using segmentation.
  • Verify before trusting: Always authenticate and validate access requests, even from trusted sources.
  • Secure Your Software Supply Chain
  • Ensure your software comes from reputable sources and is regularly updated and patches applied.
  • Validate the integrity of software updates (e.g., use code signing and secure CI/CD pipelines).
  • Monitor for tampered or malicious packages.
  • Continuous Monitoring and Audit
  • Monitoring has long been considered too costly for most SMEs with systems such as SIEM not only being expensive but requiring constant analysis by a SOC analyst.  However, there is now a system which is effective, managed and within most SME budgets.  H2 can advise on this.
  • Log and audit changes to critical infrastructure or data access.
  • Use threat intelligence to stay ahead of known supply chain threats.
  • Patch Management and Updates

         •       Stay current with software and firmware updates.

         •       Use automated patch management tools where possible.

         •       Vet updates from vendors for authenticity and origin.

  • Incident Response Planning
    • Create and test a supply chain-specific incident response plan.
    • Ensure you can quickly revoke unauthorised or administrative access if needed.
    • Conduct tabletop exercises that simulate supply chain attacks.
  • Train Your Staff
  • This is often the most effective quick win any organisation can make.
  • Educate employees about phishing, social engineering, and how supply chain attacks often begin.
  • Train procurement and legal teams to evaluate vendors with security in mind.

There is a lot too this subject and you might feel that you need advice and guidance.

WHAT DO SMES REALLY NEED TO KNOW ABOUT CYBER SECURITY

Maybe I should have titled this ‘What do SMEs WANT to know’ rather than need to know.  That’s because all too often they want a very cut down version of what they need, because simply put, they don’t have the budget or expertise to get into too much detail and will often look for the easy way out.  That’s becoming more and more of a problem given the concerted effort by cyber criminals to attack all sizes and types of business, here in the UK.  I posted a bit about this earlier, you can read it here.  Do SMEs really need a cyber strategy and if so, what exactly does that entail.

What is a Cyber Security Strategy?

A cyber security strategy is a plan that outlines an organisation’s approach to protecting its information systems and data from cyber threats. This strategy typically includes measures such as implementing security controls, conducting regular risk assessments, training employees on security best practices, monitoring network activity for suspicious behaviour, and responding to security incidents in a timely manner. The goal of a cyber security strategy is to minimise the risk of cyber-attacks and protect the confidentiality, integrity, and availability of an organisation’s sensitive information.

Do I really need that – I’m an SME and not really a target, am I?

Well yes, you are a target and there are a ton of statistics available which shows that SMEs globally are a very real target for cyber-attacks and can in fact, be very profitable for cyber criminals.  There are a lot of reasons for that but one of the top reasons is that typically, SMEs spend very little on cyber defence and generally have very weak defences.  Add to this that they don’t tend to carry out cyber awareness training for their staff, have limited resources and generally don’t have a good grasp of the issues.

Not their fault.  Most are focused on their core business, trying make a quid or two and are pressed for time.  They tend to rely on whatever company, usually local, that supplied their network, hardware and software, generally on a retainer.  The problem is that those companies don’t really have a good grasp of the issues either, concentrating on technology, and then, not necessarily the right technology.

The real trick here is in devising a strategy that works whilst staying within budget and having the resources to make it work.  Not an easy path to tread but one that is very definitely a must.

Secure by default and design

Now that’s an interesting title, but what does it mean?  Secure by default and design means that a system or product is inherently built with security measures in place from the start. This ensures that security is a priority throughout the development process and that users can trust that their data and information will be protected. It also means that security features are enabled by default, reducing the risk of vulnerabilities or breaches. This approach helps to create a more robust and resilient system that is better equipped to withstand potential threats.

It applies as much to your network and systems as it does to software development and possibly more importantly to you, it is a legal requirement under the Data Protection Act 2018, or as it is becoming known, UK GDPR.

The first problem many people come up against is that they already have a network, probably connected to the cloud of some sort, very possibly for SMEs, MS365, but when the design was done, there wasn’t a full risk assessment undertaken which is a requirement to underpin that design.  In other words what we in the cyber security industry refer to as Security Architecture Design (SAD), wasn’t a prominent consideration.

Not unusual and the common technologies were probably set up, firewalls and anti-virus, but not much else.  And that is where a well thought out strategy comes into play.

What should I be considering in my Cyber Security Strategy

We’ve already said you are an SME, so do you need the sort of comprehensive cyber security strategy that we would see in a major corporate?  No, but it should still cover off the major points and should continue to be reviewed alongside things like your Health and Safety policy and other industry standards that are required to be reviewed for you to stay in business, usually annually.  I know, it’s a pain and you’ve got enough to do without increased paperwork.  But this isn’t red tape, this is designed to keep your business protected and can save you a lot of money, time and trouble.

You need to be thinking about the key components needed to effectively protect an organisation’s digital assets and data. These components may include:

  1. Risk assessment: Assessing potential cybersecurity risks and vulnerabilities to identify areas of weakness and prioritise areas for improvement.
  • Security policies and procedures: Establishing clear and enforceable policies and procedures for data protection, access control, incident response, and other security-related activities.
  • Employee training: Providing ongoing training and education to employees on cyber security best practices, such as password management, phishing awareness, and safe browsing habits.
  • Incident response plan: Developing a detailed incident response plan that outlines the steps to be taken in the event of a security breach or cyber-attack, including communication protocols, containment measures, and recovery strategies.
  • Collaboration with external partners: Establishing a partnership with cyber security company that understands the issues that affect SMEs and who themselves can establish a solid working relationship with the IT provider that is providing and administering your network and IT resources, will enhance your protections, significantly improve your employee and managerial awareness of the issues, and provide you with the peace of mind you need, allowing you to concentrate on your core business.

So, to wind this up, everyone needs a strategy that is tailored to them and covers off their needs.  In order to make sure that your cyber, or if you prefer, your information assets, are secured, you need to understand what they are and how vulnerable they are to attack.  Only then can you start to put in place protections that are appropriate to you, and affordable, making sure that your budget is spent wisely.  Don’t be put off by all the stuff above, some of it, or perhaps much of it, won’t apply to you, but some of it definitely will.  Don’t be afraid to take advice from those who know what they are talking about.

Cyber Attacks on SMEs

We’ve posted a few pieces recently on why setting a realistic budget for cyber security is so important and we thought we’d follow that up with some real-life examples.

Small and medium-sized enterprises (SMEs) are increasingly being targeted by cybercriminals in 2025 and are facing a range of sophisticated threats that exploit limited resources and evolving technologies. Here’s a quick look at some of the most pressing cybersecurity incidents and trends that have affected SMEs so far this year:

Major Cybersecurity Incidents Impacting SMEs

  • Co-op Supermarket Chain Cyberattack (UK)

A “highly sophisticated” cyberattack disrupted Co-op’s IT systems, leading to customer data theft, contactless payment failures, and empty shelves in Scottish stores. The breach also affected other major retailers like Marks & Spencer and Harrods, with investigations pointing towards hacker groups such as Scattered Spider and Lapsus$. 

  • Lockbit Ransomware Group Breach

The notorious ransomware gang Lockbit was itself hacked, resulting in leaked communications that revealed aggressive targeting of small businesses for extortion. This breach has temporarily disrupted Lockbits operations and exposed their tactics.

  • Berkeley Research Group (BRG) Data Breach

A cyberattack on BRG compromised sensitive data related to Catholic Church sex-abuse cases. The attacker used impersonation tactics via Microsoft Teams to deploy Chaos ransomware, leading to concerns over the exposure of victims’ identities.

 Emerging Cyber Threat Trends for SMEs

  • AI-Powered Phishing and Deepfake Attacks

Cybercriminals are leveraging AI to craft convincing phishing emails and deepfake audio impersonations of executives, deceiving employees into authorising fraudulent transactions.

  • Ransomware-as-a-Service (RaaS)

The availability of RaaS platforms has lowered the barrier for launching ransomware attacks, making SMEs prime targets due to their valuable data and often limited security infrastructure.

  • Supply Chain Vulnerabilities

Attackers exploit weaknesses in third-party vendors to infiltrate SMEs’ systems, as seen in incidents involving compromised software packages on platforms like NPM.

  • Business Email Compromise (BEC)

Scammers use AI to mimic emails from corporate partners and managers, leading to fraudulent financial transactions. In Australia, BEC attacks have increased by 7% year-on-year, with SMEs being particularly vulnerable.

Proactive Measures for SMEs

To mitigate these threats, SMEs should consider the following actions:

  • Implement Multi-Factor Authentication (MFA)

Enhance account security by requiring multiple verification methods.

  • Regular Employee Training

Your staff are your first line of defence and need to be educated on recognising phishing attempts and social engineering tactics.

  • Secure Supply Chains

Vet third-party vendors for cybersecurity compliance and monitor for unusual activities.   Are you in a supply chain for a major company?  Are you facilitating a back door into their systems?

  • Invest in AI powered security tools

Utilise advanced solutions capable of detecting and responding to sophisticated threats.  H2 has a couple of suggestion here that are affordable to SMEs.

  • Protective Monitoring

How do you know that your expensive solutions are protecting you?  Do you know if you’ve suffered a stealth attack where the attacker has built a back door into your systems?  Do you know if you’re hard-earned cash is being siphoned off?  How vulnerable are you to an attack? A monitoring solution for SMEs is now available at an affordable price.

  • Data Loss Prevention

Are you sure you know exactly where all your data is?  Are you sure that documents attached to emails aren’t still sitting on your email server?  Do you know if other documents have been downloaded from your cloud storage whilst your staff work from home, and then uploaded but a copy is still sitting on their laptop?  Data proliferation over time is almost a given.  Can you encrypt your sensitive data so that even if it’s stolen, it’s useless to the thief?  An affordable solution now exists.

  • Develop an Incident response and business continuity plan

No matter how well you protect yourself, you still need to prepare for potential breaches with a clear strategy to minimise impact and recover operations swiftly.

Social Engineering

I frequently share insights on the significance of Cyber Awareness Training and its critical role in helping organisations defend against cybercrime. Cyber awareness training is a vital aspect of contemporary security strategies for everyone. It provides employees with the essential knowledge and skills needed to identify, respond to, and reduce cyber threats. This training is particularly effective in combating social engineering.

While many people are now familiar with the term social engineering, they may not fully understand its meaning. In the context of cybersecurity, social engineering involves manipulating, influencing, or deceiving individuals to gain unauthorised access to IT systems or to steal personal and financial information. It employs psychological tricks to lead users into making security errors or divulging sensitive data. The most prevalent form of social engineering is phishing.

Social engineering heavily relies on the six Principles of Influence identified by Robert Cialdini, a behavioral psychologist and author of “Influence: The Psychology of Persuasion.” These six principles are: Reciprocity, Commitment and Consistency, Social Proof, Authority, Liking, and Scarcity. Simply put, what these criminals seek is information, login credentials, passwords, names, phone numbers, and more. They are profiling your organisation to identify vulnerabilities, such as who manages accounts payable or whether you have an IT support company under contract that they could impersonate. In addition to phishing, they utilise various forms including vishing (voice phishing), smishing (SMS phishing), and simply calling to ask questions.

A rising threat that criminals are increasingly adopting is help desk social engineering tactics. In these schemes, attackers call an organisation’s IT help desk while posing as a legitimate employee, trying to convince the help desk agent to reset passwords or multi-factor authentication (MFA) for a specific account.

In recent years, this technique has been used to access single sign-on (SSO) accounts and cloud-based application suites. Multiple criminals adopted this approach in 2024, targeting academic and healthcare institutions; in these cases, attackers utilised compromised identities to extract data from cloud-based software as a service (SaaS) applications or alter employee payroll information.

IT help desks typically require employees requesting password and MFA resets to provide their full name, date of birth, employee ID, and manager’s name or answer a pre-set security question. However, cybercriminals attempting to socially engineer help desk personnel often answer these questions accurately. Much of this information is not confidential and can be found in public resources and social media sites. The dark web frequently harbours data that should remain private. At H2, we continuously scan the dark web for our clients to uncover any exposed information.

Often, help desk social engineering calls occur outside of regular working hours. This tactic allows criminals to maintain access to compromised accounts for longer periods before the legitimate account owner detects any suspicious activity. Attackers using this method may register their own devices for MFA to secure ongoing access to compromised accounts. They also frequently delete emails from compromised mailboxes related to suspicious account activities or configure mail transport rules to redirect relevant emails away from the main inbox.

Over the past year, several criminals have openly sought callers on popular forums. Advertisements typically call for English-speaking individuals familiar with RMM tools and experienced in conducting remote sessions. Some criminals are also exploring effective ways to spoof phone numbers or encrypt calls, ensuring caller IDs appear more credible. This trend suggests that phone-related social engineering will pose a significant threat in 2025 as demand for these capabilities increases.

So how can we combat this? I began with cyber awareness training, and I’ll conclude with it as well. When your staff, regardless of their technical expertise, understand what social engineering is and its intentions, they are much more likely to recognise it when it occurs. Simple practices such as asking unknown callers to call back using a verified number instead of one provided by the caller can make a difference. If you receive an email from a senior manager or board member that seems suspicious, open a new email thread for confirmation rather than replying directly, this helps avoid potential spoofing by scammers masquerading as legitimate sources. And of course, never click on links!

Cyber awareness training doesn’t need to be costly; it can be delivered face-to-face, online, or through automated means. At H2, we offer all these options! Regardless of your choice, please consider this training an essential component of your strategy.

Remote or Office?  The Debate Goes On

Barely a week goes by without the remote working v office-based argument surfaces somewhere, usually it must be said, at the corporate level, although many SME owners remain nervous of it, with others downright against it.  My client base appears to be largely OK with a hybrid model of working and only one is 100% remote based, having given up their office.

The COVID pandemic was the catalyst for this with businesses of all sizes being forced to transform their operations to support remote work and by and large have done well, but not without many challenges, including video conferencing burn out, (along with wishing they’d taken out shares in Zoom!!), and a yearning to work together in person again, someday.  We all realise that group working, face to face, is often necessary not just for efficiency, but because we are social animals.  Experience has taught many businesses many things but are often still struggling with the potentially dire consequences in terms of cyber security and data protection.

I should perhaps mention that in the corporate IT world, where I worked for many years for major system integrators like HP, hot desking and remote working was introduced in the early 2000s and therefore this was no problem for us.

A distributed work environment i.e., personnel spread around various locations, office, home working, even the local coffee shop, creates critical challenges and new security threats as a result.  The speed with which this has happened has meant that many simply did not take cyber security issues into account and if they did, thought, well, this is temporary, and it won’t matter in the long run.  Well perhaps, but as many are now finding, there have been advantages to home working, not least a lowering of costs in terms of how much office space is needed to carry out the business function.  Many are now looking at Hybrid working i.e., from home with a day or two in the office during the week.  There are pros and cons to this outside of the scope of this article, and businesses will have to make their own judgements, but one thing is clear and that is that businesses need to understand the risks now inherent in distributed work and need to get better at cyber security and data protection, in those environments.

Employees when remote working, are at much greater risk than those in offices. Since home connections are less secure, cybercriminals have an easier entry into the company network.  Furthermore, the explosion of various online tools, solutions, and services for collaboration and productivity tend to have the bare minimum of security default setting, and updates from third-party vendors can change security preferences and be easily overlooked.

Phishing becomes an even greater threat to home workers simply because, in an office environment, they have access to colleagues and managers, who they can approach for advice and guidance.  This is much harder to replicate with remote workers, especially those who may not be particularly tech savvy and who may not wish to become ‘burdensome’ to their co-workers.

Ransomware also enjoys an advantage in the remote working model.  If their connection to the company is blocked, it is more difficult for workers to get assistance from the right experts and authorities.  And since trust levels are lower when working from home, some workers will be concerned that they have “done something wrong” and so may be more reluctant to seek help. While this risk can be addressed by increased training, as well as messaging that vigilance and involving IT support will be rewarded, it can still be an uphill battle.

In a study carried out by Entrust it was clear that many organisations are grasping the concept of cyber awareness training, although there are still too few amongst SMEs that take this on board.  Of those who responded to Entrust:

  • 94% said employee training has a positive impact on data security.
  • 95% agreed that they trust remote employees to comply with data security best practices and training.
  • 93% said they felt positive about the impact data security training had on them.

Of course, this was a sampling and only 61% of employees said that their company offered training.

Whatever system of hybrid you are proposing to use, or are using, it is clear that you will need to go beyond baseline security measures.  In this case we are almost certainly dealing with baseline protections such as multi-factor authentication, known as MFA or sometimes 2FA, and virtual private networks (VPNs).  Both have their place and will be needed. 

The Entrust report cites a contradiction here, and it’s one I have also noted.  Many company owners/directors say they believe company data is protected with these baseline solutions, yet they also say that home internet connections, leaked sensitive company information and cyber-attacks are their top concerns.

If organisations are going to use hybrid work models successfully over the long term, then they will need to further invest in their security strategy. MFA and VPNs, while important, should be seen as part of a larger strategy for data security in a hybrid work model. Throughout and beyond the pandemic, bad actors have exploited security deficiencies of remote environments such as insecure home tech hardware, poor password hygiene and employee use of unapproved tools.


If you are going to adopt this new normal, or already have adopted it, then the process must start with understanding your risk posture which will inform you of what measures you need to take to secure your data.  Below is a link to a short video explaining cyber risk management, at least at a high level.

https://bit.ly/3FdZ6x0

Once you have a clear understanding of what your risks are, then you might like to consider a zero-trust approach to data security.

With employees having the ability to work anywhere in a hybrid environment, the office perimeter is no longer relevant to digital security.  Zero Trust frameworks are designed to apply the concept of least privileged access to people, systems and devices, giving these entities only the access they need to fulfil their role and nothing more. Additionally, a Zero Trust approach continually monitors user and device behaviour to identify suspicious patterns and take preventive action, including a step-up authentication challenge.

You may need to consider other protections such as:

  • Passwordless single sign on involving Privileged Access Management (PAM) to facilitate a Zero Trust approach. 
  • Data Loss Prevention.  Whilst a VPN will protect your data in transit, file level encryption ensures that it is protected at rest, at both ends of the tunnel, so that if it does get stolen or otherwise compromised, the impact is severely lessened.  There is more information in the short video below.

https://bit.ly/4berDPa

  • Protective Monitoring.  This has long been considered too expensive for an SME.  Well, no longer, there is now a system which is effective and affordable and is explained in the video below.

https://bit.ly/3Qy4u0x

If you feel a no obligation chat about this would be helpful, give us a call.

IDENTITY AND ACCESS MANAGEMENT AND ZERO TRUST

Today is a typical January day, cold, wet and miserable.  I really didn’t feel like getting out of bed but hey, not a lot of choice until I become a multi-millionaire and pay someone to get out of bed for me – I wish.  I’m starting the day with a large coffee from Costa to try and kick start my creative juices and get this blog written. And no, I’m not writing it in Costa, it’s a takeaway.  I’ve written several pieces on the dangers of insecure coffee shop WIFI.

Those of you who have managed to plough your way through some of my earlier stuff, will know that I am very big on user awareness training for staff at all levels, believing as I do, that it is arguably one of the quickest wins that an SME can make, to protect themselves against cybercrime.  There is however a very close second, and that is identity and access management.

Before I get into that, let’s talk a bit about Zero Trust.  You might have heard the term but what exactly does it mean?  Zero Trust architecture is a security concept that emphasises the importance of continuous verification and strict access controls within a network environment. It operates on the principle of “trust no one” and assumes that no user or device should be inherently trusted, even if they are within the network perimeter. Instead, Zero Trust focuses on authenticating and authorising every access attempt, regardless of its source or location.

In a Zero Trust architecture, access controls are implemented based on various factors, such as user identity, device health, location, and other contextual information. This approach helps prevent lateral movement within a network, reduces the impact of potential breaches, and improves overall security posture.

Zero Trust architectures typically employ technologies such as multifactor authentication, encryption, micro-segmentation, and continuous monitoring to enforce access controls and detect anomalous behaviour. By adopting a Zero Trust mindset, organisations can enhance their security defences and better protect against modern cyber threats.

Getting back to Identity and Access Control, there is mounting evidence that the message is getting through that, although passwords are very important, they most certainly aren’t the panacea that many think they are.  We can see many organisations moving to 2 factor authentication as a norm now.  In fact, if you want to be accredited to Cyber Essentials or ISO 27001, it’s a requirement without which you won’t pass.  A charity I volunteered for has done just that and not before time, considering the amount of personal data they are holding.  But is that enough?

Compromised credentials are very high on the list of cybercrime related incidents that we see and have to deal with.  Protecting these identities can be a very technical issue and advice and guidance will be needed to ensure that you are adequately covered.  However it needn’t be overly expensive, neither need it be overly complicated.  In fact, I’m a great believer in that the simplest solution is often the best solution.  I’m an adherent of the KISS principle – Keep It Simple Stupid.

Questions to ask yourself include:

  1. Are your user accounts configured with the minimum level of privilege they need to do their job?
  2. If an employee needs additional privilege to carry out a one off job, how do you ensure that once it’s completed, the privilege is revoked?
  3. What is a privileged account?  Typically it’s someone who needs additional privileges as part of their daily tasks, such as adding/removing users, auditing actions, access to more secure areas of the network (finance, management data etc), etc etc.  Are you limiting by policy the roles within your organisation that need privileged accounts, and are you specifying explicitly what those privileges are, by role?
  4. Are your privileged accounts subject to greater levels of auditing and scrutiny?
  5. Do you have a joiners and leavers process to manage active accounts?
  6. Do you have a movers process ie employees that change roles and require different levels of access to carry out their new role, either adding or removing privilege?

Another issue that you may need to consider is any accounts that exist on your network that may be used by third party suppliers.  Many companies use ‘just in time’ supply management which can require third parties to have access to their network.  Another example is people like me who, when carrying out things like vulnerability assessments, may be given privileges to scan the network.  Is that revoked at the end of the scan?  And of course, there is the IT company you may have under contract who actively have access to your network to carry out maintenance and might actually also have a contract for controlling user privilege.  Or perhaps the company you have under contract maintaining your alarms and security cameras which you didn’t know were actually using your network to connect to each other and their control room.

What about logging?  What is logging?  Every system has a set of logs which can be switched on or off.  I often come across networks where logging has been switched off or never activated because its consider to be an overhead you can live without.  Well, I disagree with that, quite vehemently.  Logging helps you to determine what normal looks like.  For example user profiles carry out certain functions within their role.  If a user is stepping outside of that profile, you need to find out why.  Is it a user who is doing something they simply didn’t realise they shouldn’t, or is it something more serious?  Is it an identity that has been created or hi-jacked by a cybercriminal who has managed to gain access?  Examination of these logs will help you understand that.  There is of course software on the market that will be of great help with this.  And of course, what do you do if you are suspicious of an activity or action by a user?

This is a big and crucial issue that deserves attention, more attention that a short blog like this can give it.  So if you would like more information, we would be happy to oblige.

BRING YOUR OWN DEVICE (BYOD)

This is a subject that, at one time, was pretty much confined to the larger enterprise organisations but largely because of the pandemic, it is gaining popularity within SMEs and is now getting a lot of attention from the National Cyber Security Centre.

So, what is it?  Well the idea was to allow employees to use their own devices for work purposes.  The thinking was that in this day and age, many employees have developed preferences for what they use.  So whilst many will stick to Microsoft, others may prefer an Android or Apple tablet, whilst others still may prefer a MacBook or Chromebook.  There’s a wide choice these days.

But what do we mean by work purposes?  It can mean anything from accessing your emails, which most of us do on our phones, to accessing critical services and applications.  And this makes it a potentially complex issue.

The pandemic brought with it many issues that needed swift resolutions and now, it’s not uncommon to visit companies that have allowed their staff to continue to work from home often because the cost savings in office accommodation are very beneficial, and some have allowed staff to use their own preferred devices when working, including connecting to the company network and/or cloud services, remotely. 

For just about all SMEs, this has started from a position of necessity.  But like many such events, if it seems to be working, it rapidly becomes the norm and in creeps a complacency that it’s actually all OK.

BYOD solutions need to be planned and thought through.  And pretty much the same as most things, particularly risk based assessments, what you need to do really depends on your organisation.  You need to ask some questions:

  • Is there anything that needs to be done from the office that cannot be done by home workers?
  • Are there functions which employees need to do, that requires the company to have visibility and management of, and is there anything that doesn’t?
  • What do my employees need to do?
  • How can we balance what employees do that also involves your need to protect data and their privacy (DPA2018)?  They are after all, using their own device.

Above all you need a well thought through and comprehensive strategy, which, while offering flexibility and potential cost savings, recognises and deals with several security implications that organisations must address to ensure sensitive data and systems remain secure. Below are the key concerns:

a. Data Security

  • Data Leakage: Employees’ personal devices may lack adequate protections, increasing the risk of unauthorised access or accidental data leaks.
  • Loss or Theft of Devices: Personal devices may not have encryption enabled, making sensitive corporate data vulnerable if the device is lost or stolen.
  • Uncontrolled Sharing: Employees might unknowingly share corporate data via apps or cloud services outside the organisation’s control.

b. Malware and Cyber Threats

  • Insecure Devices: Personal devices might not have up-to-date antivirus software, firewalls, or operating system patches, making them susceptible to malware or ransomware attacks.
  • Unverified Applications: Employees may install unauthorised or malicious applications that could compromise corporate networks.

c. Network Security

  • Untrusted Connections: BYOD devices may connect to public Wi-Fi networks, exposing them to man-in-the-middle (MITM) attacks that could jeopardise corporate data.
  • Device Spoofing: An attacker could mimic a BYOD device to gain unauthorised access to the network.

d. Compliance Risks

  • Regulatory Violations: BYOD policies may lead to data handling practices that violate regulations like GDPR or PCI DSS if personal devices aren’t properly managed.
  • Audit Challenges: Tracking and demonstrating compliance can become difficult with non-standardised, user-managed devices.

e. Access Control

  • Weak Authentication: Personal devices may not support strong authentication mechanisms, increasing the risk of unauthorised access.
  • Lack of Segmentation: Employees’ devices may access both corporate and personal systems, creating potential crossover risks.

f. Insufficient Visibility

  • Limited Monitoring: Organisations may lack full visibility into personal devices, making it harder to detect breaches or policy violations.
  • Shadow IT: Employees might use unauthorised apps or services that bypass official security controls.

g. Employee Turnover

  • Data Retention: When an employee leaves, ensuring the removal of corporate data from their personal devices can be challenging.
  • Device Ownership: Legal and practical issues might arise when attempting to enforce data wiping on personal devices.

Mitigation Strategies

To address these risks, organisations adopting BYOD should:

  • Implement Mobile Device Management (MDM) or Endpoint Detection and Response (EDR) solutions.
  • Enforce strong authentication, such as multi-factor authentication (MFA).
  • Require device encryption and ensure compliance through regular checks.
  • Use some form of file separation to ensure separate corporate data from personal data.
  • Deploy a zero-trust security model with conditional access controls.
  • Establish clear policies and training to educate employees on BYOD security best practices.

By proactively addressing these risks, organisations can leverage the benefits of BYOD while maintaining robust security.

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