Setup Guides

Don’t Let Your PIN Lock You Out: CAC PIN Best Practices Your CAC PIN is the key to your military and government digital identity. Lock...

Using your CAC on Linux is entirely possible, though it requires more manual configuration than Windows or macOS. Ubuntu and Fedora are the most viable...

Digital signing your email with your CAC proves to recipients that the message actually came from you—not someone spoofing your address. It’s required by DoD...

What Is Smart Card Middleware? Smart card middleware is software that enables communication between your CAC (Common Access Card) reader and your computer’s operating system...

Microsoft Edge CAC Configuration Microsoft Edge has become one of the most reliable browsers for DoD CAC authentication, especially since its transition to the Chromium...

Firefox CAC Setup Overview Firefox uses its own certificate store rather than the Windows certificate store, which means additional configuration is required for CAC authentication....

Chrome CAC Configuration Overview Google Chrome uses the Windows certificate store for CAC authentication, which means it generally works well once your Windows system is...

Windows CAC Configuration Essentials Proper Windows configuration is the foundation for CAC functionality across all browsers and applications. These settings ensure your system can communicate...

macOS Sonoma introduced changes to how smart cards work, and some older CAC setups stopped working after the update. Here’s the current, tested guide for...

Lenovo ThinkPad CAC Configuration Guide 2025: Complete Setup for DoD Work Lenovo ThinkPad laptops are the second most common government-issued computers across federal agencies, defense...