depthfirst | Autonomous Security from Design to Production

Autonomous Security

from Design to Production

AI agents that continuously reason across your code, dependencies, and runtime context to find complex exploitable vulnerabilities, prove what matters, and ship merge-ready fixes.

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More true positives
vs leading tools

95%

Reduction in false positives

90%

Fixes accepted by developers

depthfirst understands how your systems work by analyzing your code and infrastructure, from components and handlers to data flows and entry points. It then reasons through each path like an expert attacker, uncovering and fixing complex vulnerabilities that emerge across the system.

Goodbye siloed security. depthfirst uses the same core technology to secure every layer of your system.

Code

Find real vulnerabilities by tracing business logic, data flows, and cross-service interactions across your codebase.

Supply Chain

Trace risk through your full dependency tree and surface only the vulnerabilities with a real execution path to them.

Secrets & Sensitive Data

Detect and validate credentials across your codebase, CI/CD pipelines, and runtime environments.

Agentic Pentesting

Confirm which vulnerabilities are exploitable by testing your running application with real attack paths.

How depthfirst secures your systems by understanding your code, business logic, and infrastructure.

depthfirst reasons through your application to find real attack paths, including business logic flaws and chained vulnerabilities that only emerge from understanding how your code works.
depthfirst evaluates the conditions required for exploitation and runs a dynamic test against your running application. Only findings that can actually be triggered reach your queue.
depthfirst generates a pull request for every confirmed vulnerability, written against your actual codebase and conventions. Developers review and merge without leaving their workflow.
depthfirst replays the same attack after every fix is merged. A vulnerability is resolved only when exploitation fails in your running application, not when the code changes.

Research that advances software security. We post-train security models that reason through vulnerabilities the way expert researchers do. We invest in this to improve performance in security, where every increase makes a difference.

View research

From customers

depthfirst has fundamentally changed how we think about code security and quality at Moveworks. They not only find code defects and complex threats; their PR reviewer proposes concrete code changes developers can apply directly in the pull request, making remediation fast and frictionless.

Damian Hasse, CISO

Every major shift in computing creates both opportunity and risk. Before the internet, attacks had to be physically distributed. The internet made software globally reachable, and security evolved to meet that moment. We are at a similar inflection point now. AI-driven systems are introducing faster, more complex risks, but they also enable a new form of defense.

At depthfirst, our focus is to give security leaders systems they can trust, and systems that operate continuously, reduce uncertainty, and keep pace with the environments they are responsible to protect.

Daniele Perito

Daniele co-founded wholesale marketplace Faire, was a founding team member at Cash App leading security and fraud prevention, and was previously a postdoctoral security researcher at UC Berkeley.

Qasim Mithani

Qasim built developer and security products in the early days of AWS. Then he joined Databricks as an early leader, where he built the infrastructure and enterprise platform from the ground up.

Andrea Michi

Andrea was a Research Engineering Lead at Google DeepMind where he worked on reinforcement learning for Gemini, AlphaDev and other impactful projects, publishing his work in leading publications such as Nature.

Backed by leading investors in AI, security, and software.