Assaf Keren
AUTHOR

Assaf Keren

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Assaf Keren is a five-time CISO whose security leadership roles include PayPal, where he protected one of the world's largest financial platforms, and Qualtrics. His 25 years on the front lines of cybersecurity span military and government service, where he defended some of the world's most attacked networks, the founding and sale of two cybersecurity companies, and service on multiple non-profit and for-profit boards.

He is the author of Lessons from the Frontlines (Wiley, 2025), an honest, people-first guide for security leaders. The Downforce, his first novel, brings the same operating model to life through story. He writes about security, AI risk, and leadership at Leadership in Cyber.

He lives in Utah with his wife, their three children, and two dogs.
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