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First Malicious Outlook Add-In Found Stealing 4,000+ Microsoft Credentials
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First Malicious Outlook Add-In Found Stealing 4,000+ Microsoft Credentials

Cybersecurity researchers have discovered what they said is the first known malicious Microsoft Outlook add-in detected in the wild.In this unusual supply chain attack detailed by Koi Security, an unknown attacker claimed the domain associated with a now-abandoned legitimate add-in to serve a fake Microsoft login page, stealing over 4,000 credentials in the process. The activity has been

First seen on thehackernews.com

Jump to article: thehackernews.com/2026/02/first-malicious-outlook-add-in-found.html

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