Sigma Rules and Detection-as-Code

Sigma is a vendor-neutral, open specification for writing threat detection rules in a format that can be converted into the query language of any Security Information and Event Management (SIEM) platform.

Threat IntelligenceTIDThreatAdvancedCONFIDENTIAL2,143 words9 min readApr 7, 2026

Last updated Apr 11, 2026

CLASSIFICATION: CONFIDENTIAL

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Table of Contents

Sigma Rules and Detection-as-Code

What you need

Also at this clearance level

APT28 (Fancy Bear / Forest Blizzard)

Lazarus Group (HIDDEN COBRA / Diamond Sleet)

Salt Typhoon

Single Sign-On (SSO) Architecture

The Academy

The Command Post

The Armory