Microsoft warns that outdated install images leave systems exposed and recommends updating Defender every three months.

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product ... ml; detection. Update 5/20/25: Updated story to explain that you ...

New Microsoft Defender update boosts security for old Windows ISOs The latest update includes improved Defender software ...

Whether it's the built-in antivirus software or a third-party program, you want one because they will continuously scan your ...

The reality is, every computer should have an antivirus program – even Mac owners should consider adding third-party ...

Malware (including viruses, Trojans, worms, rootkits, ransomware, and all kinds of other appalling things) is a problem on ...

When Microsoft Defender is mentioned, most users think of the antivirus software included in Windows (currently called ...

Learn how to tell a fake antivirus warning from a genuine alert from your real security solution. Read more in this guide.

In fact, Windows has had built-in antivirus software since Windows 8, and it’s still included on Windows 10 and Windows 11 today. The built-in Microsoft Defender antivirus is part of the Windows ...

Microsoft Defender Antivirus ... download - Virus detected.” Downloads flagged with the description PUP (potentially unwanted program) required the most attention. A pop-up advised going to ...

For example, the free edition will scan and identify apps with missing security patches and update ... antivirus software would be complete without Microsoft Defender Antivirus, formerly known as ...