Even as Anthropic's Fable remains in limbo, the race to get advanced AI models in the hands of defenders continues to heat up.

Even as Anthropic's Fable remains in limbo, the race to get advanced AI models in the hands of defenders continues to heat up.

OpenAI is expanding its Daybreak cybersecurity initiative with an updated Codex Security plugin, the full GPT-5.5-Cyber model, and a partner network with more than 25 security…