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 antivirus software, this software is built right into modern operating systems ...

ZDNET's key takeaways Modern antivirus tools have made PC infections rare, but they can still occur.Most viruses are designed to go unnoticed, quietly working in the background. Some of the quickest ...

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 ...

Antivirus software is not free of errors and sometimes reports computer viruses where there are none. For this reason, the company Procolored, a manufacturer of textile printers, indignantly defended ...