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Knowledge Center

The Knowledge Center assists customers with usage of DCSA-managed industrial/personnel security-related systems/applications including National Industrial Security Program (NISP) Central Access Information Security System (NCAISS), National Industrial Security System (NISS), NISP Enterprise Mission Assurance Support Service (eMASS), and Office of Designated Approving Authority (ODAA) Business Management System (OBMS). The Knowledge Center also provides Electronic Questionnaires for Investigations Processing (e-QIP) user support (for Industry e-QIP initiated via Vetting Risk Operations Center) and responds to inquiries regarding personnel or facility security clearances.

The Knowledge Center is closed on weekends and all federal holidays.

When calling (888) 282-7682, customers will hear the following menu options:

  • 1 - Personnel Security Clearance Inquiries to include e-QIP - Office Hours: 9:00AM to 3:00PM Eastern Time

    1- Pin Resets: Effective 20 Apr 2020, please call the Applicant Knowledge Center at 724-738-5090 for Industry Pin Resets.

    2- PerSec inquiries

  • 2 - Account Lockouts and Passwords - Office Hours: 8:00AM to 6:00PM Eastern Time
  • 3 - Facility Clearance Inquiries - Office Hours: 8:00AM to 5:00PM Eastern Time
  • 4 - OBMS
  • 5 - CDSE - Office Hours: 8:00AM - 4:00PM Eastern Time


Mailing Address

OCIO - Knowledge Center
Russell-Knox Building
27130 Telegraph Road
Quantico, Virginia 22134