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OpenAI Expands Daybreak With Codex Security and GPT-5.5-Cyber Updates

ID: 84858381-e260-570e-9d03-576e48963599

STIX ID: report--84858381-e260-570e-9d03-576e48963599

Feed Name: Security Boulevard

Date Published: 2026-06-23

Date Updated: 2026-06-24

Author: Jaime Hampton

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OpenAI expanded its Daybreak cybersecurity offerings by enhancing the Codex Security plugin for automated remediation workflows, releasing a more capable GPT-5.5-Cyber for authorized security professionals, launching a partner program with major security vendors and consultancies, and initiating Patch the Planet with Trail of Bits to pair AI-assisted discovery with researcher validation; the article stresses that human oversight, validation, and prioritization remain essential despite increased automation.

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