US Post-Quantum Cryptography Regulatory Framework in 2026: Status and Compliance Implications

A detailed assessment of the US PQC regulatory landscape as of early 2026 finds the legal foundation intact despite Trump administration softening of prescriptive mandates. NIST FIPS 203/204/205 standards are in force, the 2035 migration deadline stands, and DoD imposed aggressive internal timelines via November 2025 memo. Critical infrastructure sectors including public safety face audit expectations around cryptographic inventories.

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