🔒 Cybersecurity Services — UK

Cybersecurity Services for UK Businesses

The majority of UK SMEs have experienced at least one significant cyber incident. Attackers are not waiting for you to be ready — and reactive security, applied only after a breach has occurred, is no longer a viable strategy. If you've already suffered an incident, see our 24/7 Incident Response service. Vertex9 delivers proactive, continuous cybersecurity protection built for the realities of the modern UK threat landscape.

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📈 Ransomware up 74% YoY
💶 Average SME breach: £15,300
🕐 24/7 threat monitoring

The UK Cyber Threat Landscape in 2026

Why cybersecurity is no longer optional for UK businesses of any size

The United Kingdom has become one of the most heavily targeted countries in the world for cybercrime. Ransomware attacks against UK businesses increased by 74% year-on-year according to recent threat intelligence reports, whilst phishing campaigns, business email compromise, and supply chain attacks continue to grow in both volume and sophistication. Critically, the assumption that attackers focus exclusively on large enterprises has been comprehensively disproved: small and medium-sized businesses now account for the majority of reported cyber incidents, precisely because they are perceived as having fewer defences whilst still holding valuable data.

The financial consequences of a breach are severe and multidimensional. The UK government's Cyber Security Breaches Survey consistently reports that the average direct cost of a cyber incident for UK SMEs stands at approximately £15,300. This figure encompasses immediate recovery costs, lost productivity, technical remediation, and regulatory notification expenses — but it does not capture the longer-term costs of reputational damage, lost contracts, elevated cyber insurance premiums, and the operational disruption that persists long after systems have been restored.

The regulatory environment adds a further layer of consequence. UK GDPR requires organisations to implement appropriate technical and organisational security measures and to notify the Information Commissioner's Office within 72 hours of becoming aware of a personal data breach. Failure to meet these obligations can result in significant fines, enforcement action, and mandatory public reporting. The NIS2 Directive, which expands the scope of mandatory cybersecurity requirements across critical and important sectors, is reshaping the compliance landscape for a growing number of UK organisations.

Against this backdrop, cybersecurity has transitioned from a technical consideration managed by IT teams into a board-level business risk. The question is no longer whether your organisation needs a cybersecurity strategy; it is whether your current strategy is adequate and whether the partner implementing it has the capability, the tools, and the processes to stay ahead of an evolving threat environment. Vertex9 exists to give UK businesses a clear, honest answer to both of those questions — and to implement the protections required where gaps are identified.

Our Cybersecurity Services

A layered defence strategy covering detection, prevention, compliance and response — because modern threats require more than a single control

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24/7 Security Monitoring

Vertex9 operates a SOC-style continuous threat detection capability that monitors your environment around the clock. Our Security Information and Event Management (SIEM) platform ingests telemetry from across your infrastructure — endpoints, servers, network devices, cloud services, and identity platforms — and applies behavioural analytics and threat intelligence to identify suspicious activity in real time. Alerts are triaged and investigated by our security team, separating genuine threats from false positives and ensuring that when a real incident is detected, the response begins immediately rather than waiting for business hours. You receive regular reports on security events, trends, and the overall health of your security posture.

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Endpoint Detection & Response

Traditional antivirus software relies on signature-based detection — identifying threats only after they have already been catalogued in a threat database. Modern attackers use techniques specifically designed to evade signature-based controls. Endpoint Detection and Response (EDR) takes a fundamentally different approach, continuously monitoring endpoint behaviour and identifying anomalous activity that indicates a compromise, even from previously unknown threats. When a threat is detected, our EDR platform can automatically contain the affected endpoint — isolating it from the network to prevent lateral movement — whilst our team investigates and coordinates remediation. EDR is deployed and managed as part of your endpoint estate, with no user action required.

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Cyber Essentials & Plus Certification

Cyber Essentials is the UK government's baseline cybersecurity certification scheme, designed and governed by the National Cyber Security Centre (NCSC). It covers the five fundamental technical controls that protect against the most common cyber attacks: secure configuration, boundary firewalls and internet gateways, access control, malware protection, and patch management. Cyber Essentials Plus adds independent technical verification of these controls through hands-on testing. Vertex9 supports clients through the entire certification process: initial gap analysis, remediation of identified gaps, preparation for assessment, submission, and ongoing maintenance to ensure certification remains current at annual renewal. We handle the process end-to-end, making certification as straightforward as possible regardless of your current starting point.

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Vulnerability Assessments

Knowing where your vulnerabilities are is the prerequisite for fixing them. Vertex9 conducts regular automated vulnerability scanning across your internal and external attack surfaces, identifying unpatched software, misconfigured systems, weak authentication controls, and exploitable services. Scan findings are analysed and contextualised by our security team — we do not simply hand you a raw list of CVEs — and presented as a prioritised remediation plan that distinguishes between critical exposures requiring immediate action and lower-risk findings that can be addressed in scheduled maintenance windows. For organisations requiring formal penetration testing beyond automated scanning, we refer to CREST-certified pen testing partners and coordinate the engagement on your behalf.

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Email Security & Anti-Phishing

Email remains the primary attack vector for the majority of UK cyber incidents. Phishing campaigns have become increasingly sophisticated, with attackers using AI-generated content, compromised legitimate domains, and precise targeting of individual employees to bypass basic spam filters. Vertex9 deploys advanced email security that combines AI-powered filtering, sandboxing of suspicious attachments and links, impersonation protection, and outbound data loss prevention. We also implement and audit email authentication records — DMARC, SPF, and DKIM — to protect your domain from spoofing and to ensure your legitimate emails are delivered reliably. Our simulated phishing campaigns test your employees' resilience to social engineering attacks and generate the data needed to target awareness training where it will have the greatest impact.

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Security Awareness Training

The most sophisticated technical controls in the world can be undermined by a single employee clicking a convincing phishing link or disclosing credentials in response to a social engineering call. Human behaviour is both the greatest vulnerability and the most powerful control in any organisation's security programme. Vertex9's security awareness training combines regular simulated phishing campaigns with engaging eLearning modules covering the threats most relevant to your sector and workforce. Training content is updated continuously to reflect emerging attack techniques. Results from phishing simulations are used to identify individuals and teams requiring additional targeted training, and overall programme performance is reported to management so you can demonstrate a measurable improvement in security culture over time.

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Cyber Essentials: Why Your Business Needs It Now

The NCSC's baseline certification is increasingly a commercial necessity, not just a compliance exercise

Cyber Essentials was developed by the National Cyber Security Centre (NCSC) as a practical, accessible framework for protecting organisations against the most prevalent categories of cyber attack. The scheme is built around five technical control areas that, when properly implemented, are estimated to prevent the majority of commodity cyber attacks: boundary firewalls and internet gateways, secure configuration, access control and administrative privilege management, malware protection, and patch management. These are not complex or expensive controls — they are the fundamentals that every organisation should have in place but that evidence consistently shows many do not.

Cyber Essentials certification has moved well beyond the voluntary compliance exercise it was originally conceived as. The UK government mandates it for all suppliers handling sensitive information or providing certain categories of technical service under government contracts. This requirement has cascaded through the supply chains of government suppliers, meaning that many private sector organisations now face commercial pressure from their enterprise clients to demonstrate certification. A growing number of cyber insurance underwriters also reference Cyber Essentials compliance when assessing premiums and policy terms — organisations that cannot demonstrate certification may face higher premiums or restricted coverage.

The Cyber Essentials Plus variant adds an additional layer of independent technical verification, with a qualified assessor conducting hands-on testing of the controls that the basic Cyber Essentials self-assessment only asks you to confirm are in place. For organisations operating in regulated sectors, handling sensitive personal data, or seeking to demonstrate the highest level of commitment to cybersecurity to clients and partners, Plus certification carries significantly greater credibility than the basic scheme.

Vertex9 manages the entire Cyber Essentials certification process on your behalf. We begin with a gap analysis that identifies the specific controls your organisation needs to implement or improve before an assessment can proceed. We then work with your team to address those gaps, configure the technical controls, document the evidence required, and submit the assessment application. We remain involved through the assessment process and address any queries from the certification body. For clients pursuing Cyber Essentials Plus, we prepare the environment for technical testing and coordinate the assessment visit. Read our comprehensive Cyber Essentials guide for 2026 for a detailed walkthrough of the certification process and what to expect at each stage.

Our Security Audit Process

A structured four-phase approach that gives you complete visibility of your security posture and a clear path to improvement

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Assess

Every Vertex9 security engagement begins with a comprehensive assessment of your current security posture. Our team examines your technical controls across all five Cyber Essentials domains, reviews your identity and access management configuration, analyses your network architecture and segmentation, evaluates your email security controls and email authentication records, assesses your patch management discipline and software inventory, and reviews your policies and procedures for security-relevant processes. We conduct interviews with key personnel to understand how security policies are implemented in practice versus how they are documented on paper. The output of the Assess phase is a complete picture of where your organisation stands against recognised security frameworks and where the highest-risk gaps exist.

02

Harden

Armed with a clear understanding of your vulnerabilities, our security team works alongside your IT function to implement the technical controls and configuration improvements identified during the assessment. Hardening activities are prioritised by risk: critical vulnerabilities and misconfigurations that represent immediate exposure are addressed first, followed by high-risk findings, and then medium and lower-risk items in subsequent phases. We do not simply provide a report and leave implementation to you — our engineers actively participate in remediation, applying security configurations, deploying tooling, closing unnecessary attack surface, and documenting what has been changed and why. Where hardening requires investment in new tooling or infrastructure, we present costed options and help you understand the risk-benefit trade-off of each.

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Monitor

Security hardening is not a one-time exercise. The threat landscape evolves continuously: new vulnerabilities are disclosed daily, attackers develop new techniques, and your own infrastructure changes as your business grows and adapts. The Monitor phase establishes continuous, ongoing visibility of your security posture. Our SIEM platform ingests security telemetry from across your environment and applies behavioural analytics to detect deviations from established baselines. Vulnerability scanning runs on a scheduled basis to identify new exposures as they emerge. Threat intelligence feeds are integrated to ensure that newly identified attack patterns are detected in your environment. Our security team reviews alerts, investigates anomalies, and responds to incidents as part of the ongoing monitoring service.

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Report

Transparency and accountability are fundamental to how Vertex9 operates. The Report phase ensures that your management team has the information they need to understand your security posture, demonstrate compliance, and make informed decisions about security investment. Monthly security reports summarise threat activity, monitoring findings, incidents detected and resolved, and any changes to your risk profile. Quarterly strategic reviews include a security element, reviewing the current state of your security programme against your risk appetite and business objectives. Where regulatory reporting is required — for example, ICO notification following a personal data breach — we assist with the preparation and submission of notifications within the required timelines. All reports are written in plain language accessible to non-technical stakeholders.

How We Keep You Compliant

Navigating UK GDPR, Cyber Essentials, ISO 27001 and NIS2 with practical, implementation-focused support

UK GDPR and Data Protection

UK GDPR places explicit security obligations on every organisation that processes personal data. Article 32 requires controllers and processors to implement technical and organisational measures appropriate to the risk, taking into account the nature, scope, context and purposes of processing. These measures must include, where appropriate, pseudonymisation and encryption of personal data, the ability to ensure ongoing confidentiality, integrity, availability, and resilience of processing systems, the ability to restore availability and access to personal data in a timely manner following a physical or technical incident, and a process for regularly testing, assessing and evaluating the effectiveness of security measures.

Vertex9 implements and documents the technical controls required under Article 32 as a core component of our cybersecurity service. We also assist with the wider GDPR compliance programme: Data Protection Impact Assessments for high-risk processing activities, records of processing activities, data subject rights procedures, and breach notification processes. Our approach ensures that your security measures can be demonstrated to the ICO as appropriate and proportionate — not merely assumed to be so.

Cyber Essentials Alignment

Cyber Essentials provides the foundation of our technical security recommendations. The five control areas defined by the NCSC represent the baseline that every UK business should achieve, and our security audit process explicitly maps findings against this framework. Clients seeking certification receive targeted support throughout the process. Clients not pursuing certification still benefit from the same framework being applied to their environment, ensuring that the most fundamental protections are in place before addressing more advanced security layers.

ISO 27001 Awareness and Readiness

ISO 27001 is the internationally recognised standard for information security management systems. Whilst formal ISO 27001 certification is a significant undertaking appropriate for larger organisations or those with specific contractual requirements, many of its underlying principles — risk assessment, asset management, access control, incident management, business continuity — are directly relevant to businesses of every size. Vertex9 incorporates ISO 27001-aligned practices into our security service design, providing clients with a security programme that is consistent with the standard's intent even where formal certification is not the immediate objective. For clients who subsequently pursue ISO 27001 certification, our service documentation provides a strong foundation for the certification process.

NIS2 Directive

The NIS2 Directive significantly expands the scope of mandatory cybersecurity requirements across the European Union and is shaping UK cybersecurity policy as the UK develops its own updated regime. NIS2 introduces new categories of in-scope organisation, strengthens incident reporting requirements, and increases management accountability for cybersecurity. UK organisations with EU operations or EU-based clients should already be assessing their NIS2 obligations. Read our detailed analysis of NIS2 and its implications for UK businesses for a comprehensive overview of who is affected and what actions are required. Vertex9 can assist in-scope organisations with the technical security measures and incident response capabilities required under NIS2.

Frequently Asked Questions About Cybersecurity Services

Plain-language answers to the cybersecurity questions UK businesses ask most often

A cybersecurity audit is a structured, systematic assessment of your organisation's entire security posture. It covers your technical controls — how your devices are configured, how your network is protected, how access to systems is managed, how software is kept up to date — as well as your policies, procedures, and the awareness of your staff. The output is an honest picture of where your defences are strong and where attackers could find an opening, along with a prioritised plan for addressing the gaps identified.

Every UK business should undergo a cybersecurity audit at least once a year. The threat landscape changes continuously: new vulnerabilities are disclosed, new attack techniques emerge, and your own infrastructure evolves in ways that can inadvertently introduce new exposures. An annual audit ensures that your security posture keeps pace with these changes. Vertex9 conducts security audits for businesses of all sizes, producing clear, jargon-free reports that are practical and actionable by both technical and non-technical stakeholders.

The time from initial engagement to receiving your Cyber Essentials certificate typically ranges from 2 to 6 weeks. The variable that most determines the timeline is your organisation's current security posture: businesses that already have reasonable controls in place across the five Cyber Essentials domains may be ready for assessment within two weeks. Those with more significant gaps to address will require additional time to implement the necessary technical controls before the assessment can proceed.

Vertex9 manages the entire process on your behalf. We conduct the initial gap analysis, implement or assist with remediation of identified gaps, prepare all required documentation, and submit the assessment application. We remain engaged throughout the assessment process and coordinate with the certification body to address any queries. For organisations pursuing Cyber Essentials Plus, which involves hands-on technical testing by an independent assessor, we prepare your environment for testing and are present during the assessment to provide context and resolve any issues that arise on the day.

Vertex9 refers clients requiring formal penetration testing to CREST-certified penetration testing partners. CREST (Council of Registered Ethical Security Testers) certification is the benchmark standard for penetration testing in the UK, ensuring that testers have been assessed against rigorous professional and technical standards and that their work is conducted to a consistently high level of quality.

Before commissioning a penetration test, it is important to define the right scope and methodology for your specific circumstances. Our security audit process identifies the areas of your environment most likely to benefit from pen testing and helps define the brief for the engagement — whether that is an external infrastructure test, an internal network assessment, a web application assessment, or a social engineering exercise. This ensures that your investment in pen testing is directed where it will provide the most meaningful assurance rather than producing a generic report. We coordinate and contextualise the engagement and assist with remediation planning once findings are available.

If you are a Vertex9 managed security client, our incident response process activates the moment a threat is detected — whether that detection occurs through our monitoring platform or is reported to us by your team. The immediate priority is containment: isolating affected systems to prevent the attack from spreading further through your environment. Our EDR platform can initiate automated containment of compromised endpoints whilst our team begins active incident investigation.

Our team then conducts forensic analysis to establish the scope of the compromise, the attack vector used, and whether data has been accessed or exfiltrated. Recovery from clean backups is coordinated where required. We assist with the regulatory notification process — the ICO must be notified within 72 hours if personal data has been involved in a breach, and we help ensure this obligation is met accurately and within the required timeline. Following recovery, we conduct a thorough post-incident review to identify and address the root cause, ensuring the same attack vector cannot be exploited again.

Cybersecurity monitoring costs significantly less than the average cost of a breach. The UK government's own research puts the average direct cost of a cyber incident for UK SMEs at approximately £15,300, and many organisations experience total costs — including indirect costs such as reputational damage, lost contracts, and increased insurance premiums — that are considerably higher than this figure.

Vertex9's cybersecurity monitoring is available from £15 per user per month as an add-on to our managed IT service, with standalone security monitoring packages also available. We are always transparent about costs and can help you model the return on investment relative to your organisation's specific risk profile, the value of the data you hold, and your sector's threat environment. We do not believe in selling more security than an organisation genuinely needs, but we do believe in making the cost of inadequate protection clear.

Yes. Article 32 of UK GDPR requires organisations to implement technical and organisational measures appropriate to the risk of the processing they conduct. This is not a prescriptive list of specific controls — it requires a risk-based judgement about what measures are appropriate given the nature of the data being processed, the potential harm that could result from a breach, and the state of the art in security technology. Vertex9 helps clients make this judgement rigorously and implement the resulting controls.

Our technical measures typically include encryption of data at rest and in transit, access controls that enforce the principle of least privilege, multi-factor authentication for access to systems processing personal data, security monitoring that can detect and respond to potential breaches, and business continuity measures that ensure data can be restored following an incident. On the organisational side, we assist with the policies, procedures, and staff training that Article 32 equally requires. We also help clients with the Data Protection Impact Assessments required for high-risk processing activities and with the breach notification process in the event of an incident.

🔒 Free cybersecurity assessment — no obligation

Book Your Free Cybersecurity Assessment

Find out exactly where your organisation stands against current UK cyber threats. Our free security assessment takes less than a day, produces a clear and actionable report, and costs you nothing. There is no obligation to proceed with any paid service — we simply believe that every UK business deserves to know the truth about its security posture.

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