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Daybreak is OpenAI’s answer to the AI arms race in cybersecurity

ID: d6f480a7-8b56-5c3a-8922-98c88f21f53b

STIX ID: report--d6f480a7-8b56-5c3a-8922-98c88f21f53b

Feed Name: CyberScoop

Date Published: 2026-05-13

Date Updated: 2026-05-14

Author: Greg Otto

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OpenAI announced Daybreak, a cybersecurity platform built around GPT-5.5 model variants (standard, Trusted Access for Cyber, and GPT-5.5-Cyber) designed to identify and help remediate software vulnerabilities; the initiative uses tiered access controls and identity verification to balance defensive capabilities with dual‑use risks, involves major industry partners, and is positioned in competition and comparison with Anthropic's Mythos/Project Glasswing.

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