SysWarden is a Go-based host intrusion prevention system that enforces CIS Level 2 hardening and integrates global threat intelligence to block attacks at network and application layers. It manages nftables/iptables rules, runs a memory-safe WAF daemon, protects container workloads, and provides real-time telemetry and HA clustering without resorting to shell scripts. It installs via standard .deb/.rpm packages on enterprise Linux and offers live alerts and a TUI dashboard.