Security Is No Longer an IT Problem: Why Boards Must Rethink Cyber Resilience in the Age of AI

**Executive summary:** This whitepaper warns that AI-enabled polymorphic phishing is outpacing traditional 'set-and-forget' email defenses and recommends shifting to business-wide, adaptive cyber resilience—combining human-supervised AI, cross-functional governance, integrated security ecosystems, and employee reporting to detect and remediate campaign-level threats.