# Source: https://docs.datadoghq.com/security/cloud_siem/detect_and_monitor/custom_detection_rules/create_rule.md

---
title: Create a Custom Rule
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: >-
  Docs > Datadog Security > Cloud SIEM > Detect and Monitor > Custom Detection
  Rules > Create a Custom Rule
---

# Create a Custom Rule