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A new OpenAI model is built to say yes to advanced exploit work defenders need, and the company is racing to keep it in trusted hands only.

Sarah Friar shares how OpenAI's finance team is rebuilding itself around AI, from hackathons to a "zero-day close" ambition.

An AI assistant asked to book a gym class found a security hole, booked months ahead, and bumped a stranger off the waitlist entirely on its own.

xAI's new image tool tops the charts, but the model doing the winning isn't quite the one you'll actually be using.

Anthropic explains why telling a helpful biologist from a would-be bioweapons developer is harder than it sounds, and how it's narrowing that gap.

An unreleased OpenAI model may already be capable of independent zero-day attacks, prompting a lockdown on internal testing and access.