It's tempting to click on "unsubscribe" to defend yourself from spam emails. But that can sometimes make things worse. Here's ...

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

A new one-click attack flow discovered by Varonis Threat Labs researchers underscores this fact. ‘Reprompt,’ as they’ve ...