Microsoft is again pushing a Defender Antivirus update (first issued in April and pulled in May) that fixes a known issue triggering Windows Security warnings that Local Security Authority (LSA) ...

A: Windows Defender Antivirus (known simply as Windows Defender in the past) is a fully capable means of antivirus protection for Windows PCs. Is it a replacement for other free versions of threat ...

Windows Defender does a decent job of blocking malware but lacks many of the protection features found in suites like Trend Micro Internet Security.

Toggle the Real-time protection switch off. You may receive a User Account Control (UAC) prompt asking if you want to allow the change to occur. Select Yes. When you're ready to turn system protection ...

On Windows 11, the Microsoft Defender Antivirus provides real-time protection for malware (such as viruses, ransomware, ...

Microsoft has addressed a zero-day vulnerability in the Microsoft Defender antivirus, exploited in the wild by threat actors before the patch was released. Zero-days are vulnerabilities actively ...

Some PC users have reported cases whereby the Security Intelligence Update for Microsoft Defender Antivirus fails to work on their Windows 11 or Windows 10 computer and in Windows Security app. Under ...

Earlier this week, the always informative Bleeping Computer reported that an update to Microsoft Defender Antivirus for Windows 10 users meant it could itself be used to download malware files. So, ...