c7n ☆
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Description:
Rules engine for cloud security, cost optimization, and governance
Type: Formula  |  Latest Version: 0.9.48.0@1  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @cloudcustodian  |  formulae.brew.sh
Category: Security
Tags: cloud-security compliance cost-optimization governance devops
Install: brew install c7n
About:
Cloud Custodian is a rules engine for cloud security, compliance, and cost optimization. It allows users to define policies to identify and remediate non-compliant resources across cloud environments. The tool helps enforce security best practices and reduce cloud spend through automated governance.
Key Features:
  • Multi-cloud support (AWS, Azure, GCP)
  • Declarative policy as code
  • Automated remediation and reporting
  • Real-time event monitoring
Use Cases:
  • Enforcing security configurations and compliance standards
  • Identifying and eliminating unused or idle cloud resources
  • Automating resource tagging for cost allocation
Alternatives:
  • Prowler – Prowler is primarily a security assessment tool for AWS, while Cloud Custodian offers broader multi-cloud policy enforcement and remediation capabilities.
  • ScoutSuite – ScoutSuite focuses on security auditing and misconfiguration reporting, whereas Cloud Custodian provides continuous compliance and automated actions.
License: Apache-2.0
Dependencies: cryptography, libyaml, python@3.14, rpds-py
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, sonoma, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Dec 5, 2025 10:33pm 1 VERSION_BUMP 2e59640b
Dec 1, 2025 1:55pm 0 VERSION_BUMP 01fe343a
Oct 17, 2025 7:56am 0 VERSION_BUMP 1534a5a4
Sep 22, 2025 7:53pm 0 VERSION_BUMP d4ee300f
Jan 2, 2025 6:55am 1 VERSION_BUMP aa41856e
Nov 14, 2024 9:27pm 0 VERSION_BUMP dad643e6
Oct 11, 2024 2:08pm 0 VERSION_BUMP 2395c6fe
Sep 18, 2024 9:26pm 0 VERSION_BUMP 9c4673b0
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