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Trojan abuses Microsoft Phone Link app to steal your passwords

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Why This Matters

The discovery of the CloudZ Trojan exploiting the Microsoft Phone Link app highlights a new security threat that could compromise user credentials and personal data. As Phone Link is preinstalled on Windows devices, this vulnerability underscores the importance of vigilance and timely security updates for consumers and the tech industry alike. Protecting these integrated features is crucial to prevent widespread malware attacks and safeguard user privacy.

Key Takeaways

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ZDNET's key takeaways

The CloudZ Trojan steals data through Microsoft Phone Link.

The campaign has been active since at least January 2026.

Follow our practices to protect yourself from the CloudZ Trojan.

Cisco Talos researchers have revealed the exploits of a Remote Access Trojan (RAT) that can steal your credentials the moment you launch the Microsoft Phone Link app to connect your phone to your PC.

What is Microsoft Phone Link?

Microsoft Phone Link is an app you may not be aware of, but it comes preinstalled on Windows 10 and 11. Formerly branded as Your Phone, this application allows users to connect their phone to a Windows PC via Bluetooth and Wi-Fi.

Also: Windows changes are coming: Here's how to get a sneak peek at what's next

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