Apple goes to great lengths to make its Mac computers secure, and even has secondary protocol in place to limit damage if an attack has been successful.
When there’s a malicious action taken, the Mac blocks it and displays an alert or warning. The problem is, hackers have found a way to generate a click to dismiss the alert; it’s referred to as a ‘synthetic click’ according to an article in ArsTechnica by Dan Goodin. Apple has issued some patches, but even with a fully patched High Sierra OS, hackers can get around this. Essentially they click past the message before the user ever sees it.
I’m sure Apple will continue to address these findings. In the meantime, don’t be lulled into thinking Macs cannot be hacked, or believe it at your own peril! – CMW