M365 Copilot SearchLeak: Your prompt injection attack surface just go… | HappeningNow.news
Published Date: June 19, 2026
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Cybersecurity · 1 views

M365 Copilot SearchLeak: Your prompt injection attack surface just got bigger

A recent proof-of-concept attack against Microsoft’s M365 Copilot Enterprise highlights what could be a much broader prompt injection thr…

Source CSO Online AI Summary Updated 2h 55m ago
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Read time 1 min ~53 words

AI Summary

A recent proof-of-concept attack against Microsoft’s M365 Copilot Enterprise highlights what could be a much broader prompt injection threat based on a common way many AI-enhanced web services operate. Dubbed SearchLeak, the attack hinged on a typical malicious objective: to leak sensitive corporate data by tricking employees to click on specially crafted l…

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