Why it matters: Microsoft has released a crucial bug-fixing update to its Windows Defender antimalware application. Its arrival means that some unlucky Firefox users should now get a much smoother and ...

Firefox has a reputation of being something of a resource hog, even among modern browsers. But it might not be entirely earned, because it looks like a CPU bug affecting Firefox users on Windows was ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. There are a number of antivirus, anti-malware, and internet ...

It’s imperative to keep Microsoft Defender up to date even when Windows Update isn’t working. Here are several methods to manually update Defender. Microsoft Defender is the built-in anti-malware ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

The problem arose when Firefox was running, leading Windows Defender’s Antimalware Service Executable (Msmpeng.exe) to act up, causing a significant increase in CPU usage. Users reported that their ...