I don't agree with who basically says no protection is needed on Macs. Sure it's not like with Windows but there is malware for macOS too (viruses, ransomware, adware, trojans, rootkits...), albeit not as much of course. Personally I prefer to stay safe and use BitDefender with MalwareBytes. This kinda gives me peace of mind that a) my Mac "should" be fine, b) I don't spread Windows malware either. BitDefender also includes browser extensions that alert you if you are visiting a website with malicious content, and a feature that only permits certain applications (that you allow) to access files in Desktop/Documents and any other folder you wish, in order to protect from ransomware which otherwise would be able to encrypt your data etc.