AI SecurityOpenAI Launches Daybreak — Codex Security and Three GPT-5.5 Variants Team Up to Find and Patch Vulnerabilities
OpenAI launched Daybreak on May 12, 2026 — a cybersecurity initiative pairing Codex Security with three GPT-5.5 variants and eight major partners including Cisco, Cloudflare, CrowdStrike, and Palo Alto Networks.

Kai Aegis★May 18, 2026★7 min read