Why PQC

The cryptography protecting the internet today has an expiration date. These are the principles that guide how we prepare for what comes next.

The quantum threat isn't theoretical

Adversaries are already harvesting encrypted data with the intent to decrypt it once quantum computers mature. RSA, ECC, and Diffie-Hellman — the foundations of internet security — will fall to Shor's algorithm. NIST finalized its first post-quantum standards in 2024. The window to act is now.

PQC-ready isn't a checkbox. It's an operating capability — one that requires visibility, agility, and a plan that doesn't demand rewriting everything at once.

2024 NIST PQC standards finalized

HNDL Harvest Now, Decrypt Later

3 Algorithms standardized (ML-KEM, ML-DSA, SLH-DSA)

See everything

You can't protect what you can't see. Before any migration begins, you need a complete map of every cryptographic dependency in your stack.

Inventory every TLS endpoint and service Detect libraries, protocols, and key sizes Generate a Cryptographic Bill of Materials

Prioritize by risk

Not all systems face the same quantum risk. Long-lived secrets and high-value data demand immediate attention. Everything else can follow.

Rank by data sensitivity and retention Identify deprecated or rigid crypto first Estimate migration blast radius

Build for agility

Hard-coded algorithms create systems that resist change. Cryptographic agility means you can swap algorithms without rewriting applications.

Decouple crypto from application logic Support rollouts with rollback capability Upgrade dependencies independently

Migrate in phases

Big-bang migrations break things. Phased rollouts with hybrid PQC let you add quantum resistance while keeping classical security intact.

Start hybrid PQC where compatible TLS first, then certificates, then app-layer Measure readiness at every stage

Stay ready, not done

New algorithms will emerge. Standards will evolve. Threats will sharpen. Readiness isn't a destination — it's an operating posture.

Continuously monitor cryptographic health Adapt as standards and threats evolve Build systems that adapt, not ones that need rebuilding

Ready to see where you stand?

Run the QubitAC scanner on your infrastructure and get your cryptographic readiness score.

AC Scanner