https://marco.org/2007/11/04/and-there-you-have-it-macs-running-osx-are
And there you have it! Macs running OSX are clearly no more secure than PC’s running Windows. Simply by visiting an obscure pornography website, selecting a video, choosing to download the “codec”, opening it, running it, and providing it with your root password that you are only supposed to use when installing trustworthy software—it can take over your computer!