As cyber threats grow more sophisticated, government organisations are looking to agentic AI systems that can autonomously detect, respond to, and mitigate security risks in real-time. This fireside chat explores how IBM is using AI to transform cybersecurity from the boardroom to the frontline, featuring real-world case studies from IBM's 6+ years of using AI in their Global Security Operations Centres. IBM has working with UK government for over 30+years and IBM SiXworks for the last 9 years (since started).