depthfirst

AI systems that analyze code, infrastructure, and business logic to uncover exploitable vulnerabilities.

depthfirst builds AI that reasons across a company's source code, infrastructure, and application logic to surface vulnerabilities that single-purpose scanners miss. The approach targets chained and logic-level flaws rather than pattern-matched findings, working with limited human involvement. The company was founded in 2024 and raised a Series B in 2026.

Category: AppSec & Code Security
Founded: 2024
Funding: $120M raised (Series B, 2026)
Website: https://depthfirst.com

Seen at Black Hat USA 2026 (Gold sponsor, booth 4550).

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