# Cognition hires Alex Stamos as chief security officer

Digest AI · Enterprise & Industry · published 2026-09-30T16:00:56Z

Canonical: https://digestai.news/story/cognition-hires-alex-stamos-as-chief-security-officer

## Summary

Alex Stamos will join Cognition as its new chief security officer, according to a report by Axios. Stamos previously led security at AI security startup Corridor and cybersecurity firm SentinelOne. The move highlights Cognition’s growing emphasis on security as the company expands.

Cognition, described as an AI coding unicorn, has not disclosed details about Stamos’s role or its broader security strategy. The report does not specify terms or timing for the appointment, but the hire signals a shift toward prioritizing security in AI infrastructure.

## Key points

- Alex Stamos joins Cognition as chief security officer, per Axios
- Stamos previously oversaw security at Corridor and SentinelOne
- Cognition frames security as a major focus with the new hire

## Why it matters

Stamos’s appointment signals Cognition’s commitment to securing AI-driven coding tools, a critical concern as AI systems expand into enterprise and developer workflows.

## Sources

1. [Alex Stamos is joining Cognition as its new chief security officer; he most recently oversaw security at AI security startup Corridor and SentinelOne](https://axios.com/2026/09/29/alex-stamos-cognition-cybersecurity) (axios.com, 2026-09-30)

## Cite

Digest AI, "Cognition hires Alex Stamos as chief security officer", 30 September 2026, https://digestai.news/story/cognition-hires-alex-stamos-as-chief-security-officer

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