Cisco’s Post-Quantum Trust Anchors prepare hardware-based roots of trust for the quantum era, protecting against future threats to RSA, ECC, DSA, and DH. Using NIST-approved algorithms like LMS, XMSS, SLH-DSA, and ML-DSA, Cisco secures firmware and software integrity with quantum-safe signatures. SHA-512 ensures PQ hash resilience, while AES-256 protects FPGA configurations. Early deployments use LMS for firmware verification, with plans for broader adoption. This approach defends against “store now, decrypt later” attacks and ensures devices maintain immutable identity, secure boot, and robust key management as quantum computing matures.

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