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Cognition Hires Alex Stamos as Chief Security Officer to Expand AI Coding Security

September 29, 2026 at 11:57 EDT

AI Agents
Security
Software Dev & Coding

Cognition has hired Alex Stamos as chief security officer, putting one of cybersecurity's best-known executives in charge as the Devin maker expands from autonomous coding into secure software delivery. The appointment gives Stamos a dual mandate: defend Cognition itself and help build new security products for AI-era development.

Sep. 29, 2026 · Cognition

Security moves to the center of AI coding

Cognition hired Alex Stamos as chief security officer as Devin expands from autonomous software work into secure development and vulnerability remediation.

$1B

annualized revenue run rate

$48B

reported Series E valuation

72%

Security Swarm recall in Cognition eval

Security benchmark, drawn to scale

Recall on 50 real-world vulnerabilities in Cognition's evaluation.

The security product loop

Scan profile

Threat-model rules guide the search.

Parallel agents

Workers inspect focused code shards.

Runtime proof

Serious findings are reproduced in sandboxes.

Remediation PR

Confirmed bugs can be patched for review.

Why it resonates

Security Swarm targets verified vulnerabilities, attack paths and remediation pull requests instead of only more scanner findings.

What buyers will test

The headline benchmark is company-run and recall-focused, so independent validation and workflow fit remain central questions.

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