Rather than get into the details of all the “under the hood” differences between Macs and PCs, let’s summarize.
Why Macs were once “safe” and Windows PCs weren’t
Here’s an explanation of why you need the best free antivirus for your Mac. These days, however, Mac users have to take security every bit as seriously as people who use Windows PCs. They were never completely immune to viruses. For a long time, one of the big reasons for choosing a Mac was the fact that they had far fewer security issues than Windows PCs.