The National Defense Information Sharing and Analysis Center (NDISAC or National Defense ISAC) is the national defense sector’s non-profit organization formed to enhance the security and resiliency of the defense industry and its strategic partners. NDISAC gives defense industry entities and suppliers the ability to leverage the best security data, tools, services and best practices available in a high-trust, collaborative industry environment. Through NDISAC, members share intelligence on cyber and physical security, insider threats, vulnerabilities and associated threat remediation. NDISAC enables members to develop and continually mature their secure enterprise. NDISAC serves as the national defense sector’s principal focal point for all-hazards to the sector.

NDISAC membership is available to all defense sector organizations, supplier, contractors and their interdependent entities, including: traditional Defense Industrial Base (DIB) organizations; organization’s conducting business directly or indirectly with the Department of Defense (DoD); DIB critical suppliers; subcontractors for/or supplier to DoD, a DoD program, a DoD project or a DoD activity; critical interdependencies that provide services across all segments of industry as well as the defense sector any organization who provides services that may be critical to any of the above.