Cyber Security Evaluation Tool (CSET) is a Department of Homeland Security product that assists organizations in protecting their key national cyber assets. CSET 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 tool is available for download, and the program also offers training and support at no cost to organizations engaged in administering networks that control facilities identified as being crucial to both the nation’s economy and national security.
Source: https://thehackernews.com/2011/09/department-of-homeland-security.html