Western Digital has announced the integration of post-quantum cryptography (PQC) into its latest high-capacity Ultrastar® UltraSMR hard disk drives, aiming to help secure the device trust chain from manufacturing to field service. This move is not just a feature enhancement but reflects a broader trend of embedding quantum-resilient security directly into the underlying fabric of data infrastructure. It focuses on protecting device-level trust, including firmware integrity and key management, rather than static data encryption. These drives are currently in qualification with multiple hyperscale customers, reflecting strong early interest in quantum-resilient storage architectures.