Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.
Amazon recently launched Alexa Plus, a major AI-powered upgrade to its voice assistant. This new version brings significantly ...
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 ...
A new one-click attack flow discovered by Varonis Threat Labs researchers underscores this fact. ‘Reprompt,’ as they’ve ...
The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the ...
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