Just FYI, here is an article describing a Mac malware that is capable of infecting a Mac. Also, in the article it is noted that the program Malwarebytes (which I run on all my computers) can detect and prevent this infestation. No indication of how widespread this malware might be, so just something to be aware of.
Jim Hamm
https://www.zdnet.com/article/new-evilquest-ransomware-discovered-targeting-macos-users/