The Practical Guide To Mac Security: Part 10, Three Rules To Protect Your Mac

Check out the rest of the videos in this special course: The Practical Guide To Mac Security.


To protect your Mac from malware, follow these three simple rules.

Comments: 7 Responses to “The Practical Guide To Mac Security: Part 10, Three Rules To Protect Your Mac”

    Donald Warner
    11 months ago

    Thank you very much for this advice. It’s very helpful.

    Patrick McGeown
    11 months ago

    Hi Gary, is there an easy way to check that all my installed apps are from the Mac App Store?

    11 months ago

    Patrick: If you look in Launhpad and click and hold to uninstall apps, the ones with the X will be App Store apps. The ones without will either be system apps (Mail, Reminders, Contacts, etc) or apps you installed some other way.

    Carlos Ramos
    11 months ago

    Hello Gary, I have an iMac from 2013 and I am limited to the last OS upgrade (Catalina, 10.15.7). Sometimes I wonder if my machine is becoming vulnerable, especially lately, when it slows down at times. It's a pity if I have to get rid of a good machine. Thank you for your reply.

    11 months ago

    Carlos: Apple is still releasing security updates for Catalina and will probably do that for another year now or so.

    Beatrice Stevens
    5 months ago

    How do I delete an app which is not a Mac App?

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