Ready, Set, DISS! video Published Feb. 26, 2021 The Defense Information System for Security (DISS) is replacing the Joint Personnel Adjudication System (JPAS). JPAS will transition to a read-only mode on March 15, 2021, and will be retired on March 31, 2021. All updates to eligibility, access, and visit data must be completed in DISS prior to March 15. Watch this animated video here that discusses the transition to DISS. For the best viewing, please launch the video using Chrome, Edge or Firefox.