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GPT-5.5-Cyber

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Frontier Signal

OpenAI Expands GPT-5.5 Cyber Access for Defenders

OpenAI is scaling its Trusted Access for Cyber program, offering GPT-5.5 and a specialized GPT-5.5-Cyber model with fewer safeguards to vetted cybersecurity professionals.

May 10, 2026 6 min read Siegfried Kamgo

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OpenAI Expands GPT-5.5 Cyber Access for Defenders