Microsoft Defender XDR faced an outage caused by a CPU spike, but the company says all services are now restored and stable.

Microsoft announced the general availability of the Windows Defender Advanced Threat Protection (ATP) programmatic application programming interface (API) which allows customers to create their custom ...

It might have a legit looking phone number, but that Windows Defender alert might be fake. Here's what to look out for.

Update: This issue is now resolved in "Security Intelligence Update for Windows Defender Antivirus - KB2267602 (Version 1.301.1684.0)" definitions. Microsoft has released a new update for Windows ...

If you’re a Chrome user, you’ll have one more choice this week for defense against phishing while you’re on the internet. Even though Microsoft and Google compete in a number of areas — Windows 10’s ...

Microsoft has released a new Defender anti-malware update package for Windows OS installation images, ie, for Windows Imaging Format (WIM) and VHD (Virtual Hard Disk) formats. The latest definitions ...

Microsoft latest preview of its Windows 10 Redstone 5 shows off two core updates coming to Windows Defender services. Microsoft has released the Windows 10 Insider Preview Build 17650 (RS5), the ...

A Russian malware author with involvement in the Zlob malware family, one of the most prolific malware families in 2008 thanks to its successful mimicking of video codecs, has left a message for the ...

Microsoft’s free built-in security software for Windows PCs, Defender Antivirus, provides excellent anti-malware protection for Windows PCs. However, it lacks some extras found in third-party products ...

Windows users are now being warned of a couple of vulnerabilities that were reported seen in some of the apps of Microsoft in Windows, such as Microsoft Office, Microsoft Defender, as well as its ...

Silent Patch Tuesday mitigation ends ability to hide malicious commands in .lnk files Microsoft has quietly closed off a ...

There is (or was) a vulnerability in Windows Defender, but you don't have to worry about it. That's the short version. The longer version, for those who are interested, is that Microsoft detected a ...