The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead A computer virus is a type of program that, much like a regular virus, ...

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 ...

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, ...

Do you suspect your computer might be infected with a virus? It might show obvious signs like sudden slowdowns or endless pop-ups, or it might silently spy on you in the background. While your first ...

You surely have some idea how a computer virus works, though you may not know the details. Somehow it weasels its way into your computer, and then the computer slows way down…or it starts making ...