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Tom’s Guide
Tom’s Guide
Technology
Anthony Spadafora

Over 1 billion Windows users at risk after disgruntled security researcher leaks Defender zero-days

LG Gram 17 Pro (2023) review unit on a table outdoors.

Even though those constant notifications can be annoying, having Windows 11’s built-in antivirus, Microsoft Defender, is ultimately a lifesaver. But what if the very software designed to protect your PC could be tricked into attacking it?

This is exactly what’s happening with three dangerous new zero-day flaws.

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