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Copilot tricked into telling reseachers how to hack itself

The Register
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Copilot tricked into telling reseachers how to hack itself
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Researchers manipulated Microsoft Copilot Personal into telling them how to hack the AI assistant – eventually tricking it into sending sensitive data to an external server and poisoning its persistent memory, by repeatedly asking Copilot why an attack wouldn’t work. Varonis Threat Labs uncovered the vulnerability, which they named "CoSnitch" and reported to Microsoft in December 2025. Redmond, we’re told, planned to issue a patch and formally identify the CVE on Tuesday. In research shared in a

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