FIDO2 Articles

Tutorials Mar 14, 2026

Linux Full Disk Encryption with LUKS2, TPM2, FIDO2, and Secure Boot

Set up hardened Linux full disk encryption with LUKS2, TPM2 auto-unlock, FIDO2 hardware keys, and Clevis/Tang NBDE. Includes tested commands for Fedora, Ubuntu, and RHEL with PCR selection guidance and troubleshooting.

Editorial Team 19 min read

Tutorials Feb 07, 2026

The Complete SSH Hardening Guide: Post-Quantum Cryptography, FIDO2 Keys, Certificates, and Defense-in-Depth

A comprehensive guide to hardening SSH on Linux — covering post-quantum key exchange, FIDO2 hardware keys, SSH certificate authorities, bastion hosts with ProxyJump, and intrusion detection with Fail2Ban and auditd.

Editorial Team 20 min read