atsec information security: post-quantum cryptography audit services
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atsec is an accredited FIPS 140-3 testing laboratory. Post-quantum algorithms need CAVP algorithm validation and CMVP module validation before U.S. federal use; atsec performs that testing for ML-KEM, ML-DSA, SLH-DSA, LMS, and XMSS.

Website: https://www.atsec.com
Headquarters: Austin, Texas, United States
Focus: FIPS 140-3 and CAVP validation laboratory
Post-quantum services: CAVP algorithm testing for FIPS 203/204/205 and SP 800-208 algorithms | FIPS 140-3 module validation | Common Criteria evaluation
Evidence: https://www.atsec.com/fips-140-3/

Source page: https://pqaudit.org/auditors/atsec/
Compiled by: PQC Audit Index editors (https://pqaudit.org/about/)
Last reviewed: 2026-09-12