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

    Donald Warner
    2 months ago

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

    Patrick McGeown
    2 months ago

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

    2 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
    2 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.

    2 months ago

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

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