1. Short title This Act may be cited as the Department of Homeland Security Insider Threat and Mitigation Act of 2017 . 2. Establishment of Insider Threat Program (a) In general Title I of the Homeland Security Act of 2002 ( 6 U.S.C. 111 et seq.) is amended by adding at the end the following new section: 104. Insider Threat Program (a) Establishment The Secretary shall establish an Insider Threat Program within the Department. Such Program shall— (1) provide training and education for Department personnel to identify, prevent, mitigate, and respond to insider threat risks to the Department’s critical assets; (2) provide investigative support regarding potential insider threats that may pose a risk to the Department’s critical assets