Business secretary Liz Kendall urges Britain’s business community to sit up and pay attention to emerging AI threats, following the debut of Anthropic’s new frontier model, Mythos.

What a year 2025 has been: Rich in both cyber events and innovations alike. On the latter, not a week has passed without a mention of innovation in Artificial Intelligence (AI). I am excited about the ...

Described by OpenAI as a new model tuned for defensive cybersecurity tasks, GPT-5.4-Cyber is being offered first to vetted security researchers, vendors and organizations.

Artificial intelligence company OpenAI said Tuesday that it would release its latest cybersecurity model to a limited number of partners, after rival Anthropic also restricted release of a new system ...

In a world increasingly shaped by rapid technological advancements, artificial intelligence continues to be at the forefront of global discussions on national defense, economic stability, and public ...

OpenAI launches GPT-5.4-Cyber with selective access for verified defenders, adding a cyber-focused model and tighter controls for high-risk use.

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 ...

OpenAI on Tuesday announced the next phase of its cybersecurity strategy and a new model specifically designed for use by digital defenders, GPT-5.4-Cyber. The news comes in the wake of an ...

OpenAI has launched a new AI model focused on cyber defence, days after the release of rival Anthropic's Claude Mythos sparked concern about the threat posed by increasingly powerful AI to global ...

The new model will be used by a small number of high-profile companies to engage in defensive cybersecurity work.

April 7 (Reuters) - Anthropic on Tuesday announced an initiative with major technology companies, including Amazon.com (AMZN.O), opens new tab, Microsoft (MSFT.O), opens new tab and Apple (AAPL.O), ...