Company profile
Fabraix
Autonomous black-box red team for customer-facing AI agents (Nyx); publishes ACE (Adversarial Cost to Exploit).
- Status
- PrivateListed on CyberMerge Startup Radar (private vendors), snapshot Sep 29, 2026
- Valuation
- Undisclosed
- Latest funding
- Undisclosed
- HQ
- San Francisco / US (Startup Radar)
- Last updated
Categories
Funding & valuation
Funding: Undisclosed — no round recorded in the CyberMerge Funding Tracker.
Latest signals
- Startup Radar · AI Security · snapshot Sep 29, 2026 YC S26; public-access/demo for Nyx. Source
Competitors
Same-category peers from CyberMerge Research maps, Startup Radar and What's The Use tags.
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- GlowPrivateEndpoint platform to map and control software, AI agents, and dev tools on devices.
Figures appear only as recorded in CyberMerge data, with source and date. “Undisclosed” means no published figure in our data. Editorial, not investment advice. Last updated . Spot an error? Tell the desk.