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Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot

January 15, 2026/in General News

Cybersecurity researchers have disclosed details of a new attack method dubbed Reprompt that could allow bad actors to exfiltrate sensitive data from artificial intelligence (AI) chatbots like Microsoft Copilot in a single click, while bypassing enterprise security controls entirely.
“Only a single click on a legitimate Microsoft link is required to compromise victims,” Varonis security

The Hacker News – ​Read More

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https://www.backbox.org/wp-content/uploads/2018/09/website_backbox_text_black.png 0 0 admin https://www.backbox.org/wp-content/uploads/2018/09/website_backbox_text_black.png admin2026-01-15 16:07:102026-01-15 16:07:10Researchers Reveal Reprompt Attack Allowing Single-Click Data Exfiltration From Microsoft Copilot
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