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Strategic Security in a Connected World: A Conversation with Grace Cassy

Strategic Security in a Connected World: A Conversation with Grace Cassy

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In this episode of The Authority On…, we’re joined by Grace Cassy — co-founder of CyLon Ventures, board member at Ten Eleven Ventures, and external expert on the UK’s 2025 Strategic Defence Review.

Grace brings a unique perspective at the intersection of cybersecurity investment, policy, and national resilience. Together, we explore how the Strategic Defence Review signals a shift in how the UK approaches security in a hyper-connected world — from protecting Critical National Infrastructure (CNI) to enabling public-private innovation in defence and beyond.

We discuss the growing convergence of cyber and physical threats, the role of startups in securing national capabilities, and what it takes to build trust in a digital-first world. With input from the Device Authority team, this episode bridges strategy with on-the-ground security challenges faced by organisations today.

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