CIS Benchmarks

CIS Benchmarks Configuration Guidelines — Center for Internet Security (CIS)

Also known as: CIS Benchmark, CIS Hardening Guide, CIS Configuration Guidelines

At a glance

Current version
CIS Benchmarks October 2026 Update
Published 6 October 2026. source
Status
In force
Next deadline
None announced
Who must comply
Organizations hardening the configuration of operating systems, cloud platforms, containers, databases, desktop and server software, mobile and network devices. source
Written by
Developed by the Center for Internet Security (CIS) with the CIS Benchmarks Communities, volunteer IT security professionals who take part in a consensus process. source
Last change

Technical configuration guidelines for operating systems, cloud platforms, and containers. Distinct from CIS Controls — these are system-hardening baselines assessed at the configuration level.

Recent changes

  1. Medium
    CIS publishes updated Benchmarks for Microsoft, AWS, Kubernetes, Docker, and NGINX

    CIS released and updated Benchmarks in November 2026 covering multiple platforms including Microsoft, AWS, Kubernetes, Docker, and NGINX. Organizations should review the updated guidance to ensure …

    New version Action required

  2. Medium
    CIS Benchmarks updated in October 2026

    CIS Benchmarks have been updated during October 2026, with major updates highlighted and full changelogs provided for each benchmark. Organizations implementing CIS Benchmarks should review the …

    New version Action required

  3. Medium
    CIS publishes updated Benchmarks for Windows, Apache Tomcat, PostgreSQL, Chrome, macOS, and Linux systems

    CIS Security published updates to 19 CIS Benchmarks in September 2026, including significant revisions to Windows Server 2022, Windows 11, Windows Server 2025, Apache Tomcat, PostgreSQL, …

    New version Action required

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Key dates

No upcoming dates
  1. CIS Benchmarks October 2026 Update published
  2. CIS Benchmarks September 2026 Update published

Version history

  1. CIS Benchmarks October 2026 Update RevisionCurrent

    Eight Benchmarks updated in the past month, including VMware ESXi 7.0 v1.6.0 and 8 v1.4.0, MongoDB 8 and 7 v2.0.0, Apache HTTP Server 2.4 v2.4.0 and Windows 10 Enterprise v5.0.0. source

    More
    • Also updated YugabyteDB v2.0.0 and Talos Linux v2.0.0.
    • Each Benchmark includes a full changelog of its modifications.
  2. CIS Benchmarks September 2026 Update Revision

    Nineteen Benchmarks updated, including Windows Server 2022 v5.1.0, Windows 11 Enterprise v5.1.0, Windows Server 2025 v2.1.0 and Red Hat Enterprise Linux 9 v3.0.0. source

    More
    • In the Windows Server 2022 and Windows 11 Enterprise Benchmarks, all Microsoft Defender Antivirus recommendations were removed because Defender now has its own Benchmark.
    • Also updated PostgreSQL 17 v2.0.0, Debian 13 Linux v1.1.0 and Google Workspace Foundations v1.4.0.
  3. CIS Benchmarks August 2026 Update Revision

    Six Benchmarks updated, including Microsoft Azure Database Services v2.0.0, AWS Database Services v2.0.0 and PostgreSQL 13 and 14 v1.3.0. source

  4. CIS Benchmarks July 2026 Update Revision

    Benchmarks updated include Microsoft SQL Server 2022 v1.3.0, Apple macOS 26 Tahoe v1.1.0, Microsoft Intune for Windows 11 and 10 v5.0.0 and Snowflake Foundations v2.0.0. source

Who it applies to

Product-specific secure configuration recommendations, free as PDF for non-commercial use, for anyone hardening the technologies they cover.

Coverage
More than 100 CIS Benchmarks across 25+ vendor product families, covering cloud provider platforms and services, containers, databases, desktop and server software, mobile devices, network devices and operating systems. source
Free download
The Benchmarks are available through free PDF download for non-commercial use. source
Older versions
Older versions of the CIS Benchmarks can be accessed in CIS WorkBench. source
Link to CIS Controls
The Benchmarks are mapped to the CIS Critical Security Controls; CIS Control 4 recommends secure configurations, and the Benchmarks are the hardening guidelines for specific products. source source
DISA STIG editions
CIS also publishes STIG Benchmarks, for example Microsoft Windows 11 STIG and Red Hat Enterprise Linux 10 STIG, in a separate DISA STIG category. source

How compliance is assessed

Organizations scan their own systems against the Benchmarks, with CIS-CAT Pro Assessor for CIS SecureSuite members or the free CIS-CAT Lite for select technologies.

CIS-CAT Pro Assessor
A configuration assessment tool for CIS SecureSuite members that scans systems and reports their level of compliance with the CIS Benchmarks, with results mapped to the CIS Controls Implementation Groups. source
CIS-CAT Lite
A free assessment tool with unlimited scans that checks systems against select CIS Benchmarks and gives a compliance score. source
Tailoring
Members can customize Benchmarks in CIS WorkBench and assess against the tailored versions. source
Pre-hardened images
CIS Hardened Images are virtual images hardened to the CIS Benchmarks, offered on cloud service provider marketplaces. source

Enforcement and penalties

CIS publishes the Benchmarks as recommendations; CIS says they help organizations demonstrate compliance with parts of industry regulations and frameworks.

Use in compliance
CIS states that the Benchmarks help organizations demonstrate compliance with components of various industry regulations and frameworks. source
Licensing
Free PDF downloads are for non-commercial use; tailoring the recommendations requires a CIS SecureSuite membership. source source

Documents

  1. Standard CIS Benchmarks list and downloads
  2. Guidance CIS Benchmarks overview
  3. Guidance CIS Benchmarks October 2026 Update
  4. Guidance CIS-CAT Pro Assessor

Verified against official sources on 18 October 2026. We monitor the official sources for this framework. Watching since 20 September 2026. Subscribe to CIS Benchmarks (RSS)