The Cyber Security Evaluation Tool (CSET®) provides a systematic, disciplined, and repeatable approach for evaluating an organization’s security posture. CSET is a desktop software tool that guides asset owners and operators through a step-by-step process to evaluate industrial control system (ICS) and information technology (IT) network security practices. Users can evaluate their own cybersecurity stance using many recognized government and industry standards and recommendations.
The CSET Download has moved to GitHub: https://github.com/cisagov/cset/releases
You can also find older legacy versions of the software on GitHub.