HOW TO KNOW IF YOUR MAC HAS BEEN HACKED.

When these are identified by security researchers (or friendly hackers), they usually alert Apple to them in the hope that the company will close the vulnerability quickly - or within zero days - before it is exploited. The vulnerability, which could enable a hacker to gain control of a Mac user's camera, was identified by Ryan Pickren in July 2021 and fixed by Apple in macOS Monterey 12.0.1 on October 25, 2021. In 2021, Apple paid a student $100,000 after he discovered a dangerous vulnerability relating to Macs and reported it to Apple. It's a long-held belief of Mac users that their computers are immune to the kind of malware and viruses that plague Windows PCs. [Extracted from the article]