MilitaryCAC is a private website owned and maintained by Michael J. Danberry. Please see for hours of operation.

Michael is not capable of 24/7 operations Common Access Card (CAC) help for your Personal Computer

Photos from MilitaryCAC's post 10/09/2023

I saw this very unique challenge coin posted by a friend on Facebook. Thought I’d share it with you. I do not know where to purchase it.


It seems beginning on 31 July 2020 the Teslin cards for dependents, and retirees have changed. See this link for more information: Has anyone gotten one of these cards? if so, is there a chip, or a blank spot where the chip used to be on a CAC?


If you are running Mac OS 10.15.4 and are having problems accessing CAC enabled websites since you updated from 10.15.3, AND live in the northern Virginia, Maryland, or DC area, please direct message me. My contact at Apple evidently do not have remote control ability to help people outside of the DC metro and want to see the computer not work in person.

Common Access Card (CAC) Information for home use 04/06/2020

With this Facebook group growing rapidly, and people choosing to use this method than where I put all of the information to help you on I'll post this information here for you:
INFORMATION: If you have recently updated to Mac OS 10.15.4 and lost CAC access, please know I have NOT found any solutions to get you operational (I'm sure there are a few people in this group that it is working for. For that, enjoy, for the rest of us, we are not operational). I am working directly with Apple to find a fix, IMHO-since they broke it, they need to fix it. I know this comes at a very bad time for you, as you are probably relying on your computer more than ever. I will post updates here and on as soon as I hear something that works consistently.

Common Access Card (CAC) Information for home use MilitaryCAC provides CAC installation assistance; Find information regarding the Department of Defense Common Access Card (CAC)


A LOT of people are being prompted to enter their CAC PIN many times when visiting Outlook Web App (aka web mail). I am receiving emails from people in the Army, Navy, Air Force, and Marines. I am also hearing it is affecting both Mac and Windows computers. My only solution right now is to use Google Chrome or Opera web browser instead of Internet Explorer / Safari. People who send / receive encrypted emails in Windows will lose this capability. My thoughts are to use Chrome / Opera for the majority of your email. Then when you absolutely must send / read and encrypted email, enter your CAC PIN the 1-2 dozen times until it finally lets you in.

MilitaryCAC's help uninstalling CAC enabling programs page 10/08/2019

For anyone upgrading to Mac OS Catalina. Please uninstall any old CAC enablers per You will then use the built in smart card ability from that point forward.

MilitaryCAC's help uninstalling CAC enabling programs page ActivClient for Mac  |  CACKey  |  Centrify Express  |  CSSI  |  High Sierra built in Smart Card ability  |  Mojave built in Smart Card ability  |  OpenSC  |  PKard  |  Sierra built in Smart Card ability  |  Smart Card Services / Files to manually remove

MilitaryCAC's help uninstalling CAC enabling programs page 10/04/2019

I have learned some new good news today (Thursday 3 OCT 19). With the help of Dan via another Facebook group, I am now able to login to Enterprise Email with my PIV and sign a PDF. Not sure if it was the newest update I downloaded today, or something else. I am current running a Mac OS Catalina Version 10.15 Beta (19A578c)

So, it should be safe to upgrade to Mac OS Catalina when the time comes.

You will need to uninstall All current CAC enablers per

My apologies for any excitement I may have caused over the past 22 hours.

MilitaryCAC's help uninstalling CAC enabling programs page

MilitaryCAC's Transition to PIV Authentication information page 10/03/2019

Big changes coming to the way people who access use DoD Enterprise Email (.mil). With a major change for Mac Users (hint, don't upgrade to Catalina if you want to check your email). Please read more at: Please share this with your fellow service members.

MilitaryCAC's Transition to PIV Authentication information page

AMRDEC file transfer site is shuttered as Pentagon launches DOD-wide solution 08/16/2019

AMRDEC file transfer site is shuttered as Pentagon launches DOD-wide solution Users will be unable to download material from a popular military file exchange service after Thursday, as the Defense Department transitions to a new site with larger capacity and better security.

DISA explores CAC alternatives -- GCN 06/28/2018

DISA explores CAC alternatives

DISA explores CAC alternatives -- GCN With the advent of mobile devices and newer desktops that don’t necessarily have card readers, the Defense Information Systems Agency is looking at options to the common access card.

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