‘Five Eyes’ intelligence alliance warns that new AI models pose urgent cyber risk (opens original article in a new tab)

The Five Eyes intelligence alliance warns that advanced AI models pose urgent cyber risks, urging improved defenses and highlighting concerns over models that could enable dangerous hacks.

• Five Eyes alliance warns that new AI models could significantly impact cyber capabilities
• AI models like Mythos and GPT-5.5-Cyber may enable complex and dangerous hacks
• U.S. government restricted access to some AI models over national security concerns