Malware on Apple's MacBook and iMac lines is more prevalent than some users realize; it can even hide in Apple's curated Mac App Store. But the relatively strong defenses of macOS make it challenging for malware authors to persist long-term on Apple computers, even if they can get an initial foothold. Additionally, the avenues available for lurking on macOS are so well known at this point that technicians and malware scanners can flag them quickly. That's why more subtle approaches are significant.

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