Trend Micro Cyber Assessment Framework (CAF) v4.0


The Cyber Assessment Framework (CAF) helps organisations strengthen defences across the UK’s critical national infrastructure. Version 4.0 aligns with updated NIS Regulations and supports initiatives like Cyber Essentials, shifting from static compliance to a dynamic, threat-informed approach to protect essential services and maintain resilience.

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What’s New in CAF v4.0
CAF v4.0 reflects today’s evolving threat landscape and the growing role of AI, introducing:

Attacker Perspective
Understand attacker behavior, capabilities, and tactics to build stronger defenses

Enhanced Monitoring
Move from basic logging to proactive threat hunting and early detection

Secure by Design
Embed security throughout the entire software development lifecycle

AI Risk Management
Address emerging risks with guidance on securing AI systems and preventing model
exploitation