depthfirst

depthfirst blocks malware by inspecting software packages at publication to prevent unauthorized installs across systems, users, and AI agents.

Autonomous pentesting to connect development with production

Customer stories showing how teams use depthfirst to secure production systems with less coordination drag.

One platform to understand code, infrastructure, supply chain, secrets, and runtime behavior in context.

depthfirst is an applied AI lab specializing in securing software, with elite AI researchers and cybersecurity experts on its team.

Two memory corruption vulnerabilities in the Oj JSON parser can be chained by a normal authenticated GitLab user to execute remote code through a crafted Jupyter notebook diff.

AngelList connects founders, operators, and investors in the tech industry, handling highly sensitive financial and business data with high security standards.

Applied AI Lab depthfirst Announces $80 Million in Series B Funding Introduces first in-house security model dfs-mini1 demonstrating the power of domain specialized AI

depthfirst Announces $40M Series A to Secure the World’s Software Major spike in AI-driven exploits sees startup land fresh funding to deploy General Security Intelligence with custom AI agents that work 24/7 to secure businesses’ systems

Find code vulnerabilities scanners were never built to see.

depthfirst is an applied AI lab focused on securing the world’s software.

depthfirst’s AI agents analyze software like elite security researchers, continuously discovering and fixing risks in code, dependencies, infrastructure, and production environments.

DepthFirst develops AI-driven cybersecurity solutions to detect and address software vulnerabilities while prioritizing privacy and data protection.

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GitHubRepository owner

OpenAI’s Cyber Lab deploys AI-powered defenses to counter emerging cyber threats. Researchers use advanced GPT models to simulate and neutralize potential AI-driven attacks before they materialize. The initiative focuses on preemptive security measures against evolving hacking tactics leveraging artificial intelligence.

Oct 2026ForbesNews article

Depthfirst secures $80 million in Series B funding to advance its security solutions. The company introduces its first proprietary security model designed to protect cryptocurrency smart contracts. This development targets growing risks in blockchain-based applications.

Apr 2026SecurityWeekNews article

Depthfirst AI secures $120 million in funding to develop AI models that detect and counter malicious AI-driven cyber threats. The startup aims to create a 'general security intelligence' framework to strengthen defenses against evolving automated attacks. Depthfirst operates at a $580 million valuation, positioning itself as a leader in AI-powered cybersecurity solutions.

Mar 2026ForbesNews article