How ‘Reprompt’ Attack Let Hackers Steal Data From Microsoft Copilot

Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.

Anthropic’s Claude Cowork Is an AI Agent That Actually Works

Cowork is a user-friendly version of Anthropic’s Claude Code AI-powered tool that’s built for file management and basic ...
PCMag on MSN

You Can Finally Uninstall Microsoft's Copilot App, But It's Tricky

Ever since the tech giant started automatically installing Copilot across Windows 10 and 11 PCs in 2023, Microsoft has ...
Nature

Machine learning articles from across Nature Portfolio

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...