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Sarah Armstrong-Smith

Chief Strategy Officer (CSO)

Sarah joined Performanta as Chief Strategy Officer in June 2026.

As a member of the leadership team, Sarah shapes Performanta’s global strategy and drives high-impact engagement with customers, markets and industry partners.

Sarah brings more than 30 years of experience in cybersecurity, resilience and crisis leadership. Her previous roles include EMEA Chief Security Advisor at Microsoft, Group Head of Crisis Management at London Stock Exchange Group, and Head of Cyber Resilience at Fujitsu.

She is a member of the UK Government Cyber Advisory Board and a Fellow of the British Computer Society.

Recognised as one of the industry’s most influential voices on the human dimensions of cybersecurity, Sarah is a prominent keynote speaker and the bestselling author of Understand the Cyber Attacker Mindset.

Sarah is focused on challenging conventional thinking, strengthening cyber resilience and helping organisations protect what matters most through positive, sustainable change.

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