If like many Mac users your using an older Mac computer thats restricted to the now outdated macOS El Capitan release – then you might be interested in this free app from developer Patrick Wardle, he’s released a number of apps he developed to secure his Mac and amongst these is Ostiarius, designed to help secure El Capitan specifically.

You can download the app over at  https://objective-see.com/products/ostiarius.html

By simply blocking unsigned software that may try to install itself from the internet it protects your Mac from infection from various sorts of adware and malware.

Neat!

If you find the app useful – you can also send Patrick a small donation via the link the app to say thanks 😉

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