OpenHack
OpenHack is a YC Fall 2026 (F26) company. Based in San Francisco, CA, USA. Team of 1.
About OpenHack
Summary
OpenHack builds an AI security engineer for software teams, covering codebase scanning, automated penetration testing, supply chain analysis, and secret scanning. It ingests business context, system design, and developer intent to find and verify real vulnerabilities, then filters false positives and prioritizes findings by exploitability, replacing the manual triage and testing work a human security engineer would otherwise own.
Go-to-market
OpenHack targets both startups and enterprises in regulated industries such as healthcare and finance, with a self-serve entry point alongside a sales-assisted demo booking flow.
From the Y Combinator listing
Always-on AI security engineer
OpenHack is an always on AI Security Engineer. OpenHack understands your business, system design and developer intent like a real security engineer. It ingests all this context to find the hardest vulnerabilities through AI codebase scanning, AI pentesting and Supply Chain Security. It verifies and prioritizes vulnerabilities automatically, and filters out false positives like a real security engineer drastically reducing overhead.
Facts
- B2B / B2B -> Security
- San Francisco, CA, USA
- 1
- Active
- Early
Founders (1)
Score every batch against your own thesis
GPAgent's sourcing agent reads every company in a batch, scores each one against your fund's thesis in a private workspace, and lines up the founders worth meeting before Demo Day. You decide who to contact. Your scores, notes, and pipeline never appear on these pages.
How Accelerator intelligence works