Contract Addition Enhances Availability of QuSecure’s QuProtect R3 Platform for the Public Sector SAN MATEO, Calf., and RESTON, Va. – Aug. 11, 2026 – QuSecure™, Inc., a leader in post-quantum cryptography (PQC) and cryptographic agility, and Carahsoft Technology Corp., The Trusted Government IT Solutions Provider®, today announced that QuSecure’s post-quantum cryptography (PQC) and cryptographic-agility solutions have been added to Carahsoft’s GSA Schedule contract, expanding access to the QuProtect R3 platform for U.S.