Unfortunately, Apple's built-in antivirus protections, Gatekeeper and XProtect, don't always work so well because they use out-of-date methods of stopping infections.
Best antivirus software: Protect your PC with free or paid programs.Mac malware has increased in the past few years, and today's Macs are also plagued by adware, scareware and other unwanted although not entirely malicious programs.
Macs do get infected by malware, as even Apple itself now admits.
