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 ...
The phishing campaign shows how attackers continue to weaponize legitimate cloud services and open source tools to evade ...
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