Four new malware exploits target Mac users. One attack changed and locked a user's DNS settings, and installed a trusted root certificate that left the user vulnerable to phishing websites. Another attack spread malware through infected links on a popular software download website.
In 2015, hackers infected apps sold on Apple's App Store with malware.
Although Mac and iOS devices do have strong cybersecurity features that make them more secure than other platforms, they are not invulnerable. New, more sophisticated malware is capable of breaching Apple's defenses, and iOS does not protect against adware or PUPs (potentially unwanted programs) at all.
According to cybersecurity vendor Malwarebytes, malware attacks against Mac users increased 270 percent in 2017. Hackers have also begun buying and selling Apple ID details for $15. Jonny Evans "Warning as Mac malware exploits climb 270%" www.computerworld.com (Mar. 12, 2018).