Here are the steps on how to install a CAC Reader for Mac:

Ensure your CAC reader works with Mac
Check to ensure your Mac accepts the reader
Check your Mac OS version
Check your CAC’s version
Update your DOD certificates
Guidance for Firefox Users
Look at graphs to see which CAC enabler to use

Step 1: Purchase a Mac Friendly CAC Reader

Purchase a CAC reader that works for your Mac. There are only a couple that you can choose from and I’ve listed them below.

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.

Best Mac Compatible CAC USB Readers

Best Mac Compatible CAC Desk Readers

Step 2: Plug in and Ensure It’s Accepted

Once you have your CAC reader, plug it into your Mac and ensure your computer recognizes it. If you have one of the CAC readers we suggested above, then you should be good to go.

If for some reason your CAC reader isn’t working, you may need to download the appropriate drivers for your CAC reader. You can find these drivers on the Reader’s Manufacturer Website.

Software and devices that carry the Works with Windows Vista logo have been tested for baseline compatibility with PC's running. Mac, PC, Unix Interface Required. SCM SCR3310 - SMART card. Hello, I updated to 10.15.14 last weekend and now cannot access sites requiring military CAC credentials. The smart card reader is working since the green light turns on when I plug in my CAC but I get 'No DoD certificate was presented' when accessing a military site. Tx Systems SCR3310 v2 Card Reader (CAC-Approved) The SCR3310v2 is suitable for a wide range of governmental, enterprise and home usage applications. Due to its design, the reader is also ideally suited to be bundled with smart cards and software.

Step 3: Update Your DOD Certificates

Cac Card Reader Scr3310 Software For Mac

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.

Procedure for Chrome and Safari

Type ⇧⌘U (Shift + Command + U) to access your Utilities
Find and Double click “Keychain Access”
Select “Login” and “All Items”
Download the following five files and double click each once downloaded so as to install in your Keychain Access.
When you double-click the Mac Root Cert 3 and 4, you’ll need to tell your browser to always trust them. Click the button like you see below:

Additional Steps for Firefox

Mac Software For Scr3310 Cac Card Reader Download

If you’re using Mozilla Firefox as your primary browser, you’re going to need to perform some additional steps. First, perform the same steps that you did for Chrome and Safari. Afterwards, follow these additional steps to get started.

*If you’re having issues downloading the zip file below, try right clicking the link and opening the file in a new tab.

Download All Certs zip and double click to unzip all 39 files
While in Firefox, click “Firefox” on the top left, then “Preferences”
Then Click “Advanced” > “Certificates” > “View Certificates”
Then Click “Authorities” and then “Import”
Import each file individually from the “AllCerts” folder. When you do this, the below box will popup. Check all three boxes and click “OK”

Step 4: Download and install CAC Enabler

Choosing the right CAC enabler can be pretty tricky. It all depends on what OS you have installed, how you installed it, and even what kind of CAC Card you have!

Mac Software For Scr3310 Cac Card Reader

In order to get the right enabler, be sure to visit our trusty guide to Mac CAC Enablers! It’ll walk you through exactly which enabler is right for you.

CAC Access at Home Success

Now that you have a CAC reader, certificates, and a CAC Enabler, you should now be able to access any CAC-enabled website and log on using your CAC password and data.

Common Reasons Why Your CAC Card Won’t Work On Your Mac

Ensure Your CAC Card Meets the Standards: In order for your CAC card to work, it must meet the minimal requirements. Currently, there are only four types of CAC cards that can be used. The ensure you have the right CAC card for online access, flip your CAC card to the back and if you have one of the below numbers written on the top left, then you are good to go:

G&D FIPS 201 SCE 3.2
Oberthur ID one 128 v5.5 Dual
GEMALTO DLGX4-A 144
GEMALTO TOP DL GX4 144

If you do not have any of the above written on the back, then proceed to your nearest PSD to get a new CAC card issued.

Installation Steps

Step 1: Obtain a CAC Reader

Step 2:CAC Reader driver / Video

Step 3:DoD Certificates

Step 4:ActivClient

Step 4a:Update ActivClient

Step 5:IE adjustments/Video

Log into a CAC enabled website now

Page Quick Links:

Firmware Update for SCR-331

Verify SmartCard Service started

Start Smart Card Service PDFs

Updating a CAC Driver

Plug in your CAC reader NOW

Mac Software For Scr3310 Cac Card Reader Setup

NOTE: Please check and make sure your CAC reader installed BEFORE you attempt to follow the driver installation instructions below. Most of the time, the New hardware wizard will install the CAC reader automatically, negating the need for you to install the driver manually.

To Verify whether your driver did or did not install, follow these instructions:

Plug your CAC reader into your computer before proceeding

Windows 10: Right click the Windows logo (lower left corner of your screen). Click System, select Device Manager link (upper left corner of the screen), scroll down to Smart card readers, select the little triangle next to it to open it up. If your smart card reader is listed, go to the next step of installing the DoD certificates.

Windows 8.1: Right click Computer, select Properties, Device Manager link (upper left corner of the screen), scroll down to Smart card readers, select the little triangle next to it to open it up. If your smart card reader is listed, go to the next step of installing the DoD certificates. NOTE: If you don't see it, you can also click Start, In the Start Search line type in: devmgmt.msc. (For Windows 8.1 users, you'll right click Start).

If it did not install correctly... Try this first: Go to Device Manager (Instructions are above), scroll down to Smart Card readers, right click the CAC reader that shows up below Smart Card Readers. It can also show up under unknown devices. Select Uninstall. It will give you a message. Once it is uninstalled, unplug the reader from your computer. Wait a few moments, then plug it back in. It 'should' start to install itself. If that doesn't work, keep reading for other ideas below.