Anthropic’s Claude Opus 4.6 AI found 22 Firefox vulnerabilities, including 14 high severity, helping Mozilla patch flaws in Firefox 148.

Ransomware threat actors tracked as Velvet Tempest are using the ClickFix technique and legitimate Windows utilities to deploy the DonutLoader malware and the CastleRAT backdoor.

Mozilla is now working with Anthropic's Frontier Red Team to identify and patch potentially dangerous security vulnerabilities in Firefox. According to Mozilla, the AI company approached ...