Your partner in cyber security

Working together to meet today’s cyber security challenges and secure a brighter digital tomorrow.

About Us

Cyluki Security is a UK cyber security consultancy helping organisations meet the challenges of an evolving threat landscape through practical and proportionate consultancy, advisory and penetration testing.

We work with organisations of all sizes to identify, prioritise and remediate vulnerabilities and threats, reducing cyber risk and allowing you to focus on your business priorities.

Our Services

We provide a range of technical security assessment, advisory and accreditation services to help organisation identify vulnerabilities, analyse associated risk and apply effective remediation.

Our services are delivered by experienced cyber security professional, who are passionate about cyber security and building enduring relationships.

Find out more about our core services below.

Core Services

Application Security

Protect your business applications through security assessments and penetration testing of applications and APIs to identify vulnerabilities, assess impact, and improve application security.

Infrastructure Security

Identify vulnerabilities in core infrastructure through security assessment and penetration testing of networks, computing resources and end-user devices.

Cloud Security

As reliance on cloud and SaaS continues to grow, ensure the security of the services you depend on through assessment and penetration testing of cloud environments and DevOps.

Adversary Simulation

Simulate adversary tactics, techniques and procedures to challenge your security and assess you ability to withstand, detect and respond to cyber attacks.

Cyber Assurance

IASME Cyber Assurance accreditation assesses how effectively an organisation manages cyber security, data protection, and information risk through a structured and proportionate assurance process.

Cyber Essentials

A UK government backed cyber security certification delivered through IASME, to verify that organisations have effectively implemented core security controls to prevent common threats.

67%

67% of medium sized UK businesses reported experiencing a cyber security breach or attack in the past 12 months.

42%

42% of small sized UK businesses reported a cyber security breach or attack in the past 12 months.

£8,690

The average total cost of the most disruptive breach for UK charities, excluding those that reported no financial loss.

£3,550

The average total cost of the most disruptive breach reported by UK businesses over the last 12 months, excluding those that reported no financial loss.

30%

30% of UK charities reported a cyber security breach or attack in the last 12 months.

* Statistic provided by the UK Government Cyber Security Breaches Survey 2025 – https://www.gov.uk/government/statistics/cyber-security-breaches-survey-2025/cyber-security-breaches-survey-2025

Let’s Talk About Your Cyber Security

Whether you’re looking for accreditation, testing, or guidance, we’re happy to discuss your requirements and answer any questions.