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

I have a lot of apps loaded that do different things. But I still find occasionally I’ll need to do something that none of my ...

A vulnerability that impacts Now Assist AI Agents and Virtual Agent API applications could be exploited to create backdoor ...

Reprompt impacted Microsoft Copilot Personal and, according to the team, gave "threat actors an invisible entry point to perform a data‑exfiltration chain that bypasses enterprise security controls ...

Anthropic has launched Cowork with a known data exfiltration vulnerability that researchers reported in October 2025 but ...

Windows 11 has a built-in report that provides insight into your laptop's battery status, including whether a replacement is actually needed.