Antivirus/antimalware for Late 2009 iMac?

We can't update our 2009 iMac beyond High Sierra and are concerned about security. Any recommendations for antivirus/antimalware software since Apple is not making any further security updates for this iMac?

iMac, OS X 10.11

Posted on Mar 30, 2021 12:25 PM

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Posted on Mar 30, 2021 12:56 PM

Lean about the Firewall, and make sure it's activated: Block connections to your Mac with a firewall - Apple Support.


If you really feel like you need security, the only good one that is recommended is Malwarebytes for Mac (free): https://www.malwarebytes.com/mac/.


Cheers,


Jack

10 replies

Mar 30, 2021 12:52 PM in response to dialabrain

Thanks for the quick reply. I've always felt secure using my iMac and MacBook Pro because I was keeping up with all updates to the MacOS. But the age of my iMac prevents any further updates since the last update to High Sierra. That's why I'm wondering if there is anything to help secure an old Mac that does everything I need it to do but that Apple no longer supports.

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Antivirus/antimalware for Late 2009 iMac?

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