A practical 2026 guide to CrowdSec on Linux: architecture, install on Debian/Ubuntu/RHEL, nftables and Nginx bouncers, custom scenarios, multi-server LAPI, and a clean fail2ban migration path.
Build a production-ready, multi-layer Linux intrusion detection system using AIDE, auditd, Wazuh, and Suricata — with MITRE ATT&CK-mapped rules, cross-layer alert correlation, and practical threat hunting techniques.
eBPF is both the most dangerous attack vector and the best defense on modern Linux. Learn how to harden the BPF subsystem against rootkits like BPFDoor and LinkPro, and deploy Tetragon, Falco, and Tracee for kernel-level runtime security monitoring.