Antivirus software originally checked computer files and programs to see if any rogue software matched a list of known computer viruses. (For further reading, see “ Mac security facts and fallacies” by Thomas Reed.) It makes you think twice about wandering around cyberspace on your Mac without taking precautions.

Look into the history of threats to Macs, and you’ll see that even early on, the so-called “Mac invulnerability” was a myth. What’s more, Apple's current strategies may not be enough to stop the rising tide of Mac viruses and malware. By the end of 2017, the Malwarebytes intel team counted 270 percent more unique threats on the Mac platform than in 2016.

In fact, Malwarebytes saw more Mac malware in 2017 than in any previous year. In the last few years, a growing number of active threats have targeted the Mac operating system. “Malwarebytes saw more Mac malware in 2017 than in any previous year.”

Despite this, there are still tech pundits who recklessly advise against taking even basic security precautions, such as installing a cybersecurity program. Another thing protecting Macs is the fact that they’re less popular than PCs, but that doesn’t stop some hackers from targeting Macs. By design, the Mac operating system is more secure against the threat of viruses and malware, but there are still plenty of ways for malware to find its way in. While it’s true Macs are more secure than PCs, they’re still vulnerable to viruses, and they always have been. Apple itself even reassured its customers for years that Macs “don’t get viruses.” It even said so in a series of commercials that first aired in 2006. Historically, Mac fans have touted their platform as immune to the kinds of data attacks and other hostile intrusions that plague the Windows world. If you’re a Mac user, you get mixed messages about whether viruses and other malicious software pose a bona fide threat.

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