Many Mac antivirus programs also check for Windows malware, which can use Macs as hidden bases from which to infect PCs on the same local network. The best Mac antivirus programs do a better job, quickly spotting brand-new malware and double-checking dodgy files 'signed' with an Apple developer ID. 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Apple's built-in antivirus protections, Gatekeeper and XProtect, don't always work so well because they use out-of-date methods of stopping infections.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 identity-theft protection services to keep your personal data safe.The best internet security suites to protect all your devices.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.
