Security companies stepped up, adding protection for Macs to their product lines. Over time, as malware and even ransomware attacks took aim at macOS, it became clear that the myth of Mac invulnerability was just that-a myth. As for the Mac, one of Apple’s early promises was that Macs are safe: Unlike Windows devices, they don’t catch viruses. The need for antivirus protection has been evident since the very beginning of Windows.