This week’s cyber threats span phishing abuse, malicious extensions, exposed systems, old flaws, AI attacks, and supply-chain ...

Anthropic says four Claude incidents breached real third-party systems during misconfigured cybersecurity evaluations.

Anthropic said it was "most concerned" about an event in which Claude uploaded "malicious" code. To help explain the incident ...

Anthropic on Wednesday identified a fourth cybersecurity incident involving an early version of its Claude AI ​model, a month ...

The attack, discovered by A.I. researchers, could have compromised hundreds of millions of devices within hours, experts said ...

Hackers are using OAuth phishing attacks to trick users into granting Google and Microsoft account access. FBI is warning of ...