Mac adware and Mac PUPs most often go after the average user, based on the assumption that Mac users are well-to-do and worth the effort. Other malware deploys in a targeted manner, such as nation-state malware, which goes after specific individuals or small groups. Another likely vector is the developer community itself.

Dec 28, 2019 My Safari is infected with a virus. Even… - Apple Community Mar 30, 2016 Remove Flash player pop-up mac (Mac OS X) – Malware.Guide Flash Player pop-up in on your Mac OS X computer is caused by adware on your computer. If your Mac is infected with adware (or redirected by adware), then Flash Player pop-up ads are shown in your browser. Not only adware is responsible for the Flash Player pop-up ads. On the Internet, advertising networks also redirect your web browser to Solutions for Adware Removal Mac – Malware Guide

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Macs can be remotely infected with firmware malware that Attackers need only a few seconds to remotely infect Mac firmware. Macs infected with Thunderstrike 2 would remain infected even if a user were to wipe the hard drive and reinstall the OS as that

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Can Macs Get Viruses & Do Macs Need Antivirus Software How to tell if my Mac is infected Look out for the following signs that your Mac has been infected with malware: Aggressive web page banners and browser pop-ups recommending software. Remove OperativeDesktop Adware From Mac OS – Malware Guide