PQC in Plaintext: Google Cloud’s post-quantum cryptography roadmap

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Securing infrastructure and services against a future cryptographically-relevant quantum computer has been a goal for Google for a decade, and we’ve dedicated ourselves to help developers by advancing open standards that can benefit everyone. As post-quantum cryptography (PQC) has matured, we’ve been rolling it out in our infrastructure for internal and customer-facing services.  Today, we're sharing our updated Google Cloud roadmap to migrate to PQC by 2029. Our strategy: Secure by design We’ve based our PQC migration strategy on the Google Quantum Threat Model, prioritizing protection across three key domains:

Mitigating Store Now, Decrypt Later (SNDL) risks: Protecting today's encrypted data from being harvested and decrypted by a future quantum computer.

Ensuring integrity against forgery: Strengthening digital signatures to prevent attackers from falsifying data and identity.

Enhancing foundational capabilities for cryptographic agility: Building flexible systems that can easily adopt new cryptographic standards with minimal engineering effort as cryptographic standards evolve.

We’re actively transitioning internal infrastructure and customer-facing services to PQC algorithms far ahead of regulatory deadlines. We are also deploying PQC solutions across our Sovereign Cloud initiatives, such as Google Cloud Dedicated (GCD) and Google Distributed Cloud (GDC), in collaboration with our partners. Similarly, our strategy allows us to progress on integrating post-quantum protections across our AI services to secure the next generation of cloud workloads.  These efforts …

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