CIS Benchmarks
Step-by-step hardening recipes for specific platforms.
What it is
Distinct from the Controls, CIS Benchmarks are prescriptive configuration recommendations for concrete systems — Linux/Windows, AWS/Azure/GCP accounts, Kubernetes, databases, browsers, and more. Where Controls say what to do strategically, Benchmarks say how to configure a given system. The recurring challenge is configuration drift, which is why benchmark checking is a continuous activity.
Certifiable?
No — configuration baseline.
Where it's used
Anywhere systems need hardening; often the technical backbone of a broader program.
Effort level
Light per system, but ongoing; automation is essential.
Typical trigger
"Prove our cloud accounts and servers are hardened to a recognized standard."
Related frameworks
Provides the technical evidence layer under CIS Controls, ISO 27001, and SOC 2.
Why it matters
Benchmarks turn abstract security requirements into specific configuration commands for real systems. They answer the question 'exactly what settings should this server/account/cluster have?' with step-by-step, auditable recipes.
When is it needed?
When hardening cloud accounts, servers, containers, or databases; when auditors ask for evidence that systems are configured to a recognized standard; when configuration drift is a recurring problem.
Use cases
- Hardening AWS/Azure/GCP accounts to a recognized baseline
- Securing Kubernetes clusters and container runtimes
- Locking down Linux/Windows server configurations
- Database security configuration (PostgreSQL, MySQL, MongoDB)
- Providing auditable evidence of system hardening
Who asks for it?
- Auditors checking system hardening evidence
- Compliance teams requiring configuration baselines
- Cloud security architects during design reviews
- Penetration testers validating remediation
- DevOps teams building hardened golden images
Benefits
- Extremely specific — tells you exactly what to set and why
- Platform-specific recipes for 100+ technologies
- Community-consensus with regular updates
- Free and openly available
- Maps to higher-level control requirements
- Automatable with scripts, IaC, and scanning tools
Legal requirements
Not legally required, but used as evidence of due diligence. PCI DSS explicitly references CIS Benchmarks as a recognized hardening standard.
Key control areas
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