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OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model 

ID: 9fe97006-5631-55f6-a215-204e42fdf478

STIX ID: report--9fe97006-5631-55f6-a215-204e42fdf478

Feed Name: CyberScoop

Date Published: 2026-04-15

Date Updated: 2026-04-21

Author: djohnson

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OpenAI is expanding its Trusted Access for Cyber program to thousands of verified individuals and organizations and introducing GPT 5.4 Cyber, a ChatGPT variant fine-tuned for cybersecurity testing and vulnerability research. Access will be governed by strong KYC and identity verification to limit misuse, and the effort is presented alongside similar industry initiatives such as Anthropic's Project Glasswing.

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