Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Your computer has been acting strange lately — running slower than usual, showing weird pop-ups, or behaving in ways that make you suspicious something isn’t right. These could be signs that malware, ...

How to find and remove viruses on your Windows PC - 12 free methods that I can attest to ...

If a ransom note suddenly appears on your PC screen, your PC has been hacked. But computer attacks are not always so drastic and clear-cut. For the less obvious cases, you’ll need a finer sense and ...

Forbes contributors publish independent expert analyses and insights. Hackers are a busy bunch, with more than 300 million computers hacked every year — and there's a dizzying range of ways in which a ...