You have a few different options based on the comments here like locking down incoming/outgoing traffic with little snitch or other tools out there. I would de

You have a few different options based on the comments here like locking down incoming/outgoing traffic with little snitch or other tools out there. I would definitely recommend Avast though if you are concerned about safety, I've used it for some time now off and on and it does a good job of filtering pretty much any file based viruses as well as internet and email based exploits. - https://www.avast.com/en-us/free-mac-security https://www.avast.com/en-us/free-mac-security