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 ...

Microsoft elaborates that Defender antivirus is "usually sufficient when Windows 11 runs with default protections enabled, updates are installed regularly, and software downloads are deliberate". The ...

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 ...

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 ...