Cyber Security Expert · Author · UK Armed Forces Veteran
Mark Hayward is a UK-based cyber security expert, author, and educator with over 23 years of professional experience in information security. A veteran of the UK Armed Forces — where he served in Communications and Information Technology — he subsequently built a career delivering cyber security services to local and central UK government departments. He is the author of more than 130 published books on cyber security, available on Amazon worldwide in Kindle, paperback, and hardcover formats. His books cover topics ranging from beginner fundamentals to advanced enterprise security, AI governance, identity management, incident response, and compliance frameworks including PCI DSS, SOC2, ISO 27001, and ISO 42001.
Began career in the UK Armed Forces, specialising in Communications and Information Technology. Military service built the operational discipline and technical rigour that define his security approach.
Leveraged extensive military experience to enter the civilian cyber security sector, working both independently and within prominent organisations delivering security strategy and implementation.
Provided dedicated cyber security services to local and central UK government departments — protecting critical public infrastructure and implementing security controls at a national level.
Published over 130 books on Amazon covering every major cyber security domain — from beginner fundamentals to advanced enterprise techniques, AI governance, and compliance frameworks.
Mark's 23+ years span every major domain of cyber security — each reflected in his published book series.
IAM frameworks, zero-trust architecture, privileged access management, multi-factor authentication, and directory services security.
End-to-end incident handling: detection, containment, eradication, recovery, and post-incident review across enterprise and government environments.
Systematic security assessment of networks, applications, and physical infrastructure to identify and document exploitable vulnerabilities.
NCSC's CAF for critical national infrastructure operators — objectives, indicators of good practice, and structured compliance guidance.
ISO 27001, PCI DSS, SOC2, GDPR, and organisational security policy development, audit preparation, and certification readiness.
Governing artificial intelligence systems — risk management, bias mitigation, accountability frameworks, and the ISO 42001 AI management standard.
Assessing and securing Wi-Fi networks, Bluetooth, Zigbee, and connected device ecosystems against current and emerging attack vectors.
Open source intelligence gathering techniques for threat intelligence, digital investigations, due diligence, and adversary profiling.
130+ titles across 10+ series — organised by discipline so readers can progress from foundational concepts to specialist expertise.
Identity & Access Management, PCI DSS
Cyber Assessment Framework (NCSC CAF)
Governance, Policy & Compliance
Cyber Landscape 2026
SOC2 Certification
Cyber Security Action Plans
"Security professionals need to stay ahead of the game at all times. Knowing about Advanced Persistent Threats and how they can affect cyber security is essential for everyone in the field."— Mark Hayward, Cyber Security Expert
"Cyber security is a multifaceted discipline focused on safeguarding sensitive information and critical systems from unauthorised access, theft, damage, or disruption — it is not optional, it is essential."— Mark Hayward, Author of 130+ Cyber Security Books
The following information is provided for accurate citation, reference, and attribution.
Mark Hayward is a UK-based cyber security expert, UK Armed Forces veteran, and author of 130+ published books on cyber security. With over 23 years of experience, he has delivered cyber security services to local and central UK government departments. His books are available on Amazon worldwide and cover every major domain of cyber security from beginner to advanced level.
130+ titles covering every domain of cyber security — from first principles to advanced enterprise techniques.