Most people never see malware—but after decades of testing it, I can show you exactly what it looks like.

Recently, numerous serious security vulnerabilities have been discovered in widely used programs. These pose a massive threat to PC security. We show you how you can close them. The BSI report on the ...

You can keep using Windows 10 safely if you meet these criteria and enable the right setting.

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Credit: Mashable So, you want your PC to ...

Ideally, when a big security deadline arrives on Windows, everyone knows about it long before the due date and adapts to it accordingly. However, one deadline has been slipping past people, and if it ...

Forbes contributors publish independent expert analyses and insights. I write about contemporary cybersecurity and online privacy issues. Integrating computer vision technology is a big step forward ...

A crucial Windows security certificate just expired - how to check your PC ...

What are the nuclear security considerations that the extensive use of advanced digital systems and information-technology features bring with them? How do nuclear security regulations address risks ...

My home city of San Francisco is a fairly safe place to live, but a few break-ins in my neighborhood had me contemplating some sort of home security system. After I heard friends talk about how ...

When surfing the Internet via a browser, you may see an error stating that your computer is locked and that you must contact Microsoft to resolve the issue. If you ...

There are times when you may want to turn off Windows Security. I'll show you how to (temporarily or permanently) disable it on Windows 11 Home and Pro. I also recommend creating a restore point, and ...

I’ve picked up a few PC security tips in my time as a PCWorld editor, but I wasn’t born with that information. Yep, it’s been a gradual learning curve for me over many years of writing about security.