HomeInformation SystemsDefense Information Security System (DISS)

Defense Information System for Security

DISS is an enterprise adjudicative case management system for national security, suitability and credentialing eligibility mission areas.  DISS will be a component of the National Background Investigation Services (NBIS) supporting adjudication and subject management services

Current DISS CATS Status:       GREEN

Current DISS JVS Status:          GREEN

Current DISS Appeals Status:   GREEN



GREEN     : System is fully functional without any issues.

YELLOW  : System is experiencing functionality issues or partial outage.

RED          : System is down and users do not have access to the application.


Planned System Outages:
7 October 2020 at 1815 ET - 7 October 2020 at 2330 ET.
21 October 2020 at 1930 ET – 22 October 2020 at 0830 ET
22 October 2020 at 1930 ET – 23 October 2020 at 0430 ET
27 October 2020 at 1830 ET – 27 October 2020 at 2330 ET.
28 October 2020 at 1800 ET – 28 October 2020 at 2100 ET.
29 October 2020 at 1830 ET – 30 October 2020 at 0600 ET.

Transfer of vetting IT systems: David L. Norquist, performing the duties of the Deputy Secretary of Defense (DEPSECDEF), issued a memorandum on January 28, 2019, stating that the following information technology systems supporting the Defense Vetting Enterprise were to transfer from the DHRA/Defense Manpower Data Center (DMDC) to DCSA effective October 1, 2020. The vetting IT systems are: the Defense Information System for Security (DISS); the Secure Web Fingerprint Transmission system (SWFT), the Investigative Records Repository (iIRR), and the Defense Central Index of Investigations (DCII).

As a result of this transfer, the URLs for webpages related to system status, frequently asked questions, and other information will change. Users should update their bookmarks with the new landing pages on October 1, 2020: