Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.
19hon MSN
How this one-click Copilot attack bypassed security controls - and what Microsoft did about it
ZDNET's key takeaways Dubbed "Reprompt," the attack used a URL parameter to steal user data.A single click was enough to ...
Microsoft is having a big Copilot problem. PCWorld reported last month that the company’s flagship AI Assistant holds only ...
Microsoft has fixed a vulnerability in its Copilot AI assistant that allowed hackers to pluck a host of sensitive user data ...
Ever since the tech giant started automatically installing Copilot across Windows 10 and 11 PCs in 2023, Microsoft has ...
AI Copilot in Excel helps clean dates, split columns, and add currency formats, so you save time and make faster, clearer decisions.
If you like Microsoft Edge but don’t care about Copilot features, the version 144 of the browser adds the option to hide the ...
Microsoft is testing a hidden 'Chat with Copilot' button in Windows 11 File Explorer, signaling deeper AI search and a coming ...
The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the ...
UK government officials said they had "lost confidence" in the outgoing chief constable as a result of the scandal.
Microsoft has released a new Edge update with easier Copilot controls, improved autofill, performance tweaks, WebGL changes, ...
Learn how to use GitHub Copilot to generate code, optimize code, fix bugs, and create unit tests, right from within your IDE ...
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