{"slug":"incalmo","name":"Incalmo","website":"https://incalmo.ai","tagline":"Offensive-security environments for AI agents","description":"Incalmo, spun out of Carnegie Mellon research, builds cybersecurity environments and tooling for evaluating and training AI agents on network attack/defense scenarios. Its research on LLM-orchestrated network intrusions preceded the company.","domains":["cybersecurity"],"locations":["San Mateo"],"founders":[{"name":"Brian Singer","xHandle":null},{"name":"Mark Dong","xHandle":null}],"teamSize":"11-25","funding":null,"raising":null,"founded":null,"notable":"CMU spinout; research on autonomous network attack agents","entityType":"Pure-play commercial","canonicalUrl":"https://envindex.com/startup/incalmo","research":null,"sources":[],"capabilityCatalog":{"startupSlug":"incalmo","reviewedAt":"2026-08-16","status":"cataloged","items":[{"name":"Autonomous Cybersecurity","kind":"Product capability","summary":"Autonomous cybersecurity systems; a public environment catalog was not identified on the homepage.","access":["Unknown"],"sourceUrl":"https://www.incalmo.ai","sourceLabel":"Official website","verificationStatus":"company-reported","lastVerified":"2026-08-16"}]},"artifacts":[],"caveat":"Legacy profile awaiting claim-level source migration"}