Sigma Rules for Linux Threat Detection in 2026: Detection-as-Code with pySigma, Zircolite, and SIEM Backends
Sigma turns Linux auditd, journald, sshd, and sudo events into portable YAML detections that compile to any SIEM. Learn pySigma, sigma-cli, Zircolite, and CI patterns for detection-as-code in 2026.