The Cyber Security Evaluation Tool (CSETTM) is a Department of Homeland Security product that assists organizations in protecting their key national cyber assets. It is a desktop software tool that guides users through a step-by-step process to assess their control system and information technology network security practices against recognized industry standards. The output from CSET is a prioritized list of recommendations for improving the cybersecurity posture of the organization’s enterprise and industrial control cyber systems. The tool derives the recommendations from a database of cybersecurity standards, guidelines, and practices.”]
Source: http://www.shoaibyousuf.com/2011/12/cset-version-401-available-for-download.html