zero trust networking

This hands-on guide explains why perimeter trust fails and walks Linux ops through a bash-first, AI-assisted Zero Trust rollout: WireGuard identity-encrypted overlay, nftables microsegmentation and JIT allowlists, NGINX + OPA L7 policy, Suricata telemetry with Python Isolation Forest anomaly scoring, and automated timed bans—complete with install commands for apt, dnf, and zypper.