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OpenAI tunes GPT-5.5-Cyber for more permissive security workflows

ID: 6e424ec6-c0f3-561b-8a94-4b2ccde53d88

STIX ID: report--6e424ec6-c0f3-561b-8a94-4b2ccde53d88

Feed Name: Help Net Security

Date Published: 2026-05-08

Date Updated: 2026-05-08

Author: Sinisa Markovic

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OpenAI is offering GPT-5.5-Cyber in a limited preview for verified cybersecurity professionals through its Trusted Access for Cyber program, positioning the model as a more permissive, controlled tool for authorized defensive tasks such as red teaming, penetration testing, and validating high-severity vulnerabilities while implementing stronger verification and account-level controls.

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