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 cross-site scripting (XSS) flaw in the web-based control panel used by operators of the StealC info-stealing malware ...
Researchers identified an attack method dubbed "Reprompt" that could allow attackers to infiltrate a user's Microsoft Copilot session and issue commands to exfiltrate sensitive data.
CERT-UA reports PLUGGYAPE malware attacks targeting Ukrainian defense forces via Signal and WhatsApp, using phishing links ...
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