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National Information Assurance Partnership (NIAP)

Definitions:

  A U.S. Government initiative managed by the National Security Agency, established to promote the use of evaluated information systems products and champion the development and use of national and international standards for information technology security. The key operational component of NIAP is the Common Criteria Evaluation and Validation Scheme (CCEVS) which is the only U.S. Government- sponsored and endorsed program for conducting internationally- recognized security evaluations of COTS CS and CS-enabled information technology products. NIAP employs the CCEVS to provide government oversight or "validation" to U.S. Common Criteria (CC) evaluations to ensure correct conformance to the International Common Criteria for IT Security Evaluation (ISO/IEC Standard 15408-1:2009). 
Sources:
CNSSI 4009-2015