A pc virus is a sort of malicious software program that may unfold from one pc to a different, infecting information and packages. Viruses may cause a wide range of issues, together with knowledge loss, system crashes, and safety breaches.
Viruses are sometimes created by attackers who exploit vulnerabilities in software program. As soon as a virus has contaminated a pc, it might probably replicate itself and unfold to different computer systems on the identical community. Viruses will also be unfold by electronic mail attachments, malicious web sites, and USB drives.