OpenAI Expands Cyber Defense Program With GPT-5.4-Cyber Access for Trusted Organizations

OpenAI has launched a Trusted Access for Cyber program that gives selected organizations access to a specialized GPT-5.4-Cyber model to bolster defensive capabilities; the announcement lists participating financial and security firms, mentions third-party oversight partners, and a $10M API credit grant program to help under-resourced defenders and open-source maintainers.