Sarah Armstrong Smith

Sarah Armstrong-Smith is a globally renowned authority in cybersecurity and crisis leadership, best known for her role as former Chief Security Advisor at Microsoft and Group Head of Crisis Management at the London Stock Exchange Group. With nearly three decades of frontline experience, she is widely respected for her calm, transparent leadership style and her ability to guide organisations through high-pressure cyber and operational crises. Trusted by governments and enterprises worldwide, Sarah advises on cyber resilience, risk management, and executive decision-making in complex threat environments. She is an Amazon No.1 bestselling author of Understand the Cyber Attacker Mindset and Effective Crisis Management, drawing on real-world cases to explore cyber psychology and crisis response. A member of the UK Government Cyber Advisory Board, Sarah contributes to shaping national cyber resilience strategies and advises senior leaders globally.