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CIS harnesses the power of a global IT community to safeguard public and private organizations against cyber threats.

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The Multi-State Information Sharing and Analysis Center (MS-ISAC) is the focal point for cyber threat prevention, protection response and recovery for U.S. State, Local, Tribal and Territorial government entities. CIS is home to the MS-ISAC.
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Consensus-based Guidelines

CIS Benchmarks and CIS Controls are consensus-based guides curated by security practitioners focused on performance, not profit.

Objective Standards

Our security best practices are referenced global standards verified by an objective, volunteer community of cyber experts.

Secure Online Experience

CIS is an independent, non-profit organization with a mission to provide a secure online experience for all.


Looking to improve your organization's cybersecurity posture?

Start here with 20 prioritized actions to beat the vast majority of the most common attacks.

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Need guidance for hardening your IT systems against real threats?

Download our proven CIS Benchmarks to protect over 100 distinct systems & platforms.

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Struggling to secure your systems and data with limited resources?

CIS SecureSuite Membership gives you instant access to the CIS Controls, full-format CIS Benchmarks, and more.

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Information Hub

Daily tip

Know What Information Is Being Collected When You Visit a Website

When visiting unknown websites, be vigilant about protecting your identity. Remember that some information is automatically made visible to the site. If the site you're visiting is malicious, the files on your computer, as well as passwords stored in the temporary memory, may be at risk.