Western Digital introduces post-quantum cryptography in hard drives

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WD Advances Next-Generation Trusted Infrastructure with Industry’s First Post-Quantum Cryptography Hard Drives to Help Secure the Future of AI Data

May 18, 2026 9:00 AM EDT

Ultrastar® HDDs currently in customer qualification introduce PQC-ready secure boot and firmware protection, establishing a new standard for device trust in the Quantum Era

SAN JOSE, Calif.--(BUSINESS WIRE)-- Western Digital Corporation (Nasdaq: WDC), the storage foundation of the AI-driven data economy, today announced a significant step in next-generation infrastructure security with the integration of post-quantum cryptography (PQC) into its newest high-capacity Ultrastar® UltraSMR hard disk drives. As AI infrastructure evolves from compute-centric deployments to data systems that persistently retain information across every inference, training run, and... More