Security researchers LayerX have discovered 17 extensions for Chrome, Firefox, and Edge browsers which monitored people’s ...
PCQuest on MSN
The browser extensions you trusted may be spying on you
Malicious sleeper browser extensions are spying on users across Firefox, Chrome, and Edge. Here’s how they work and how to ...
Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.
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