
Technology
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Cyber Security
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YC W26
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Valuation:
Undisclosed

Last Updated:
March 24, 2026

Builds an autonomous offensive security platform using LLM-powered multi-agent orchestration (Claude, GPT, DeepSeek) and FastMCP protocol to continuously discover, exploit, and validate vulnerabilities across web apps, APIs, and infrastructure.
Continuous autonomous penetration testing, real-time vulnerability dashboards with CVSS scoring, 150+ professional security tool integration, AI-generated exploits including zero-day detection, developer-workflow integration. CI/CD pipeline integrations and compliance automation (SOC 2, ISO 27001) coming.
Adaptive multi-agent attack chains, browser automation agents, API-specific testing. FastMCP protocol for community-contributed tool integrations. $3B+ in prevented damages claimed across YC companies. Direct access to hundreds of YC portfolio companies as live testing grounds creates unique feedback loop.
AI agents autonomously generate and validate exploits for newly discovered vulnerabilities, including zero-days, without human intervention.
An AI agent reads about a new software flaw and instantly figures out how to break in, then proves it actually works—before any attacker can.
It's like having a locksmith who reads about a new lock design in the morning paper and by lunchtime has already picked it, documented the weakness, and handed you a better deadbolt.
Multiple specialized AI agents collaborate to autonomously plan, execute, and adapt complex multi-step attack chains across an organization's entire attack surface.
A team of AI specialists—one scouts the perimeter, another picks the locks, a third escalates access—all coordinating like a heist crew that never sleeps.
It's like an Ocean's Eleven crew where every member is an AI—one cases the joint, one cracks the safe, one handles the getaway—and if the plan goes sideways, they rewrite the script on the fly without ever calling the director.
AI agents integrate into development workflows to continuously test code changes for security vulnerabilities and deliver real-time, developer-friendly remediation guidance.
Every time a developer pushes new code, an AI security agent instantly attacks it, finds the weak spots, and tells the developer exactly how to fix them—before customers ever see it.
It's like having a brutally honest code reviewer who doesn't just say "this looks wrong" but actually breaks into your app live, shows you the footage, and hands you the exact patch—all before your PR is merged.
FastMCP protocol orchestrating 150+ tools under LLM agents, with direct access to hundreds of YC portfolio companies as live testing grounds. Creates a unique feedback loop of real-world vulnerability data that improves their AI pentesters continuously.