OpenAI Group PBC today announced the launch of GPT-5.4-Cyber, a fine-tuned variant of its GPT-5.4 model designed for defensive cybersecurity work and also announced a significant expansion of its ...
Current cyber risk assumptions may no longer be valid given the speed of advanced AI, warns the chief executive of ...
OpenAI has announced a new AI model called GPT-5.4-Cyber. Similar to Anthropic’s Claude Mythos, this new “cyber-permissive” variant of its GPT-5.4 is built for defensive cybersecurity and not public ...
The UK government will forge ahead with changes to the Computer Misuse Act (CMA) of 1990, introducing long-called-for changes to the 35-year-old law that will finally offer statutory protection from ...
Mythos is supposedly so powerful that Anthropic is not making it generally available, instead providing it to only a few dozen companies. It is, according to reports, scarily efficient at finding bugs ...
In short: OpenAI is releasing GPT-5.4-Cyber, a model fine-tuned for defensive cybersecurity with lowered refusal boundaries and binary reverse engineering capabilities, and scaling its Trusted Access ...