Alex Stamos is joining Cognition as its new chief security officer; he most recently oversaw security at AI security startup Corridor and SentinelOne (Sam Sabin/Axios)

TechmemeSeptember 30, 2026en

Sam Sabin / Axios : Alex Stamos is joining Cognition as its new chief security officer; he most recently oversaw security at AI security startup Corridor and SentinelOne — Alex Stamos has joined Cognition as the AI coding unicorn's new chief security officer. … The hire suggests security has become a major focus for the fast-growing company.

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