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09/07/2026 3:16 pm
TL;DR: Post-quantum cryptography is moving from a future planning exercise to an active resilience decision because encrypted data can be harvested now and decrypted later, according to Commvault’s analysis. The practical challenge is less about the maths than about inventory, prioritisation, and migration readiness across critical data paths.
NHIMG editorial — based on content published by Commvault: Post-Quantum Cryptography: The Clock Has Already Started
Questions worth separating out
Q: How should organisations prepare for post-quantum cryptography without disrupting operations?
A: Start with cryptographic inventory, then rank dependencies by business criticality and data lifespan.
Q: Why does post-quantum cryptography matter to identity and NHI teams?
A: Identity systems depend on cryptography for certificates, federation, signing, and workload trust.
Q: What fails if organisations treat quantum migration as a simple upgrade project?
A: They usually miss hidden dependencies in backup, archive, identity, and automation systems.
Practitioner guidance
- Build a full cryptographic inventory Catalogue every certificate authority, signing service, workload trust chain, and long-lived archive that depends on current public-key cryptography.
- Rank systems by data lifespan and trust criticality Prioritise systems that protect sensitive data for the longest periods, especially identity records, regulated archives, and signed artefacts that must remain verifiable over time.
- Fold NHI into quantum readiness plans Review service accounts, workload certificates, API credentials, and federated trust relationships alongside human identity systems.
What's in the full article
Commvault's full post covers the operational detail this post intentionally leaves for the source:
- A practical discussion of why acting now matters more than waiting for perfect standards certainty.
- The operational framing for resilience teams deciding what to inventory and prioritise first.
- The article's own perspective on how recovery and data security programmes should approach post-quantum planning.
- The broader cyber resilience context around why cryptographic change affects business continuity.
👉 Read Commvault's analysis of why post-quantum cryptography decisions start now →
Post-quantum cryptography: what resilience teams need to decide now?
Explore further
09/07/2026 3:33 pm
Post-quantum readiness is a cryptographic governance issue before it becomes a technical one. Organisations that wait for a hard deadline will discover they do not have a clean map of where cryptography is used, who owns it, or how long protected data must remain confidential. That turns migration into a crisis rather than a programme. The practical conclusion is straightforward: inventory and ownership matter more than algorithm preference at this stage.
A question worth separating out:
Q: Who should own post-quantum readiness in an enterprise programme?
A: Ownership should sit with a cross-functional resilience and identity governance team, not a single platform group. Cryptographic change affects authentication, recovery, data retention, and machine identity, so accountability has to span security architecture, infrastructure, and application operations.
👉 Read our full editorial: Post-quantum cryptography forces resilience decisions now
