access-control

GitHub has added organization-level model targeting to Copilot Enterprise. The feature allows enterprise owners to control which Copilot models are available to specific organizations within their deployment, replacing the previous all-or-nothing approach.

OpenAI will roll out GPT-5.5 Cyber only to 'critical cyber defenders' in the coming days, requiring an application process despite CEO Sam Altman previously criticizing Anthropic for taking the same approach with its competing cybersecurity tool Mythos.

OpenAI has released GPT-5.4-Cyber, a variant of GPT-5.4 fine-tuned specifically for defensive cybersecurity use cases. The release accompanies the company's Trusted Access for Cyber program, which allows users to verify their identity via government ID to gain access to cybersecurity-focused tools.

OpenAI announced GPT-5.4-Cyber, a variant of GPT-5.4 fine-tuned for defensive cybersecurity work. The model features binary reverse engineering capabilities and reduced safety restrictions, but access is limited to authenticated security professionals through the company's Trusted Access for Cyber program.