What happened
Microsoft announced Project Perception (July 27, 2026), a new 'Cyber Stack' agentic security system built on specialized Red/Blue/Green AI agents plus a new in-house model, MAI-Cyber-1-Flash (inside the MDASH harness), which combined with GPT-5.4 scored 95.95% on the CyberGym vulnerability benchmark — beating Anthropic's Mythos and OpenAI's GPT-5.5-Cyber. It enters public preview August 3 and integrates first into Microsoft Defender.
Why it matters
This is a major platform bet from the largest security vendor, combining a purpose-built cyber model with autonomous red/blue/green agent roles for continuous vulnerability discovery, risk triage, and remediation — a template competitors (Google, Cisco) are racing to match.
Applicability
Enterprise Microsoft Defender/Security customers should evaluate during public preview (Aug 3) before production rollout; relevant to CISOs planning agentic SOC investment.