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Tech expert Kurt “CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to ...

Microsoft Defender Experts for XDR is a mature and proven service that triages, investigates, and responds to incidents and ...

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When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years ...

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Microsoft has confirmed a critical vulnerability in Windows Defender that could leak file content data but advised users to do nothing—here’s why.

Antivirus apps for your PC protect your personal information, data, bank accounts, and much more. We've tested more than two dozen utilities to help you choose the best antivirus for your needs.

"Improper authorization of an index that contains sensitive information from a Global Files search in Windows Defender allows an authorized attacker to disclose information over a network," the ...