If you’re using Mozilla Firefox as your primary browser, you’re going to need to perform some additional steps. When you double-click the Mac Root Cert 3 and 4, you’ll need to tell your browser to always trust them.Download the following five files and double click each once downloaded so as to install in your Keychain Access.Find and Double click “Keychain Access”.Type ⇧⌘U (Shift + Command + U) to access your Utilities.Now that you have your CAC reader connected and accepted on your Mac computer, it’s time to ensure you have the right certificates in order to access DOD CAC required web pages. You can find these drivers on the Reader’s Manufacturer Website. If for some reason your CAC reader isn’t working, you may need to download the appropriate drivers for your CAC reader.

If you have one of the CAC readers we suggested above, then you should be good to go. Once you have your CAC reader, plug it into your Mac and ensure your computer recognizes it. If you already have a CAC reader and it isn’t Mac friendly, you could update the firmware, however, for the non-tech savvy people out there, it’s probably better to just purchase a new one and save the headache – they’re only ~$11-13 dollars. There are only a couple that you can choose from and I’ve listed them below. Purchase a CAC reader that works for your Mac. Step 1: Purchase a Mac Friendly CAC Reader

Look at graphs to see which CAC enabler to use.

Check to ensure your Mac accepts the reader.Here are the steps on how to install a CAC Reader for Mac:

Cac reader for mac