A Microsoft Defender SmartScreen vulnerability patched in November has found fresh active exploitation in a Phemedrone information-stealing malware campaign, according to cybersecurity research and ...

Mobile security is quietly weakening as users abandon paid antivirus tools The company also notes that SmartScreen plays a part in protecting the average Windows 11 PC, too, and that the coverage ...

Microsoft today released updates to fix at least 137 security vulnerabilities in its Windows operating systems and supported software. None of the weaknesses addressed this month are known to be ...

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

Q: Are Windows Defender warnings that pop up with a phone number legit? A: Microsoft’s built-in security tool has improved over the years, and it still blocks plenty of everyday threats. But the ...

Scammers are using fake Windows Defender pop-ups with real looking phone numbers to trick users. These fraudulent warnings are not from Microsoft and aim to gain remote access to your computer. A ...

PCWorld outlines five essential Windows Defender configuration changes to optimize security and performance on new Windows PCs. Key adjustments include disabling redundant system tray icons, turning ...