Quantum Readiness in 2026: Your Assessment Checklist and Action Plan

Most quantum readiness conversations begin in the wrong place. They begin with quantum.

The honest starting point is current-state cryptography. Roughly thirty percent of an average enterprise network runs on protocols that were broken years ago, and the existing security stack does not surface any of it. That is the cryptographic exposure organizations have today, regardless of when a quantum computer arrives. It is also the cryptographic exposure that has to be measured before any meaningful post-quantum migration can be planned, because you cannot migrate cryptography you cannot see.

This 12-point checklist is structured around that reality. The first six items establish current-state cryptographic posture. The next six extend that posture into post-quantum readiness. Each item is binary: either it is in place, or it is not. Use it as a self-assessment, an RFP requirement, or a starting point for a board conversation.

Quantum Readiness Checklist: Current-State Cryptographic Posture (Items 1-6)

☐  1. Continuous cryptographic discovery is in place across the enterprise environment, including internal services, external endpoints, and machine-to-machine traffic.

☐  2. Discovered cryptography is validated against current published standards, including TLS 1.3 baselines, deprecated protocol lists, and minimum cipher suite strength.

☐  3. Cryptographic findings are mapped to the applications and business processes they protect, not just to network endpoints.

☐  4. Findings are prioritized by a combination of technical severity, exposure surface, and business criticality, producing a defensible remediation queue.

☐  5. Remediation flows through the security team's existing operational workflow (ServiceNow or equivalent ITSM), not through a parallel tool.

☐  6. Cryptographic posture is reported continuously to the CISO and reviewed at a defined operational cadence.

 

Quantum Readiness Checklist: Post-Quantum Readiness (Items 7-12)

☐  7. Cryptographic validators reference NIST-finalized post-quantum standards by name (ML-KEM/FIPS 203, ML-DSA/FIPS 204, SLH-DSA/FIPS 205) and flag non-PQC-aligned algorithms in mandate-relevant contexts.

☐  8. Federal guidance applicable to the organization is mapped to the platform: OMB M-23-02, NSM-10, CNSA 2.0, and DoD memoranda where applicable.

☐  9. Long-lived sensitive data flows are identified, with harvest-now-decrypt-later exposure assessed and tracked.

☐  10. A PQC migration roadmap exists, anchored in current-state inventory data rather than architectural assumption.

☐  11. PQC migration progress is tracked as a continuous status, expressed as a percentage of cryptography aligned to post-quantum standards, not as a project plan with milestones.

☐  12. Board-level reporting on quantum readiness is produced from live posture data, not from periodic consulting deliverables.

 

Why Quantum Readiness Starts With Current-State Posture

The reason the first six items come before the second six is structural. Post-quantum migration assumes a current-state cryptographic inventory. Without one, the migration roadmap rests on assumption.

There is also a practical reason. Most of what continuous cryptographic discovery surfaces has nothing to do with quantum. Deprecated TLS versions, weak ciphers, expired or misconfigured certificates: those are present-day failures that create immediate exposure. Fixing them does not require a quantum computer. It requires visibility.

Quantum readiness is what you achieve when current-state posture is under continuous management. The post-quantum migration becomes the natural continuation, not a separate program that has to be funded, scoped, and executed in isolation.

How to Score Your Organization Against the Checklist

Each of the 12 items is binary: in place, or not. Score each item 1 (in place) or 0 (not). Add the totals.

Pre-readiness: 0-3 points 

The organization is operating without continuous cryptographic posture. Quantum readiness is not yet measurable. Priority: establish discovery and validation.

Foundational: 4-7 points 

Some posture management is in place, but gaps in mapping, prioritization, or operational integration limit the program's effectiveness. Priority: close integration gaps and establish business-context prioritization.

Operational: 8-11 points

Crypto posture management is running. PQC migration can be planned credibly. Priority: extend PQC validation coverage and continuous board reporting.

Mature: 12 points

Continuous crypto posture management with full PQC alignment. The organization is positioned to enter the post-quantum era already in control of its cryptography.

What Quantum Readiness Means in Practice ?

Quantum readiness is not a finish line. It is a continuous status, measured the same way every other security posture is measured.

In practice, a quantum-ready organization can answer four questions on demand. What percentage of our cryptography is post-quantum-aligned? What is our trajectory toward full alignment, projected against mandate deadlines? What is our harvest-now-decrypt-later exposure, expressed in long-lived sensitive data flows? And, critically, what cryptographic failures unrelated to quantum exist on our network right now?

Organizations that can answer all four questions are quantum-ready. Organizations that can answer none of them are operating on assumption.

How ISARA Advance Supports Quantum Readiness ?

ISARA Advance is the Autonomous Crypto Posture Management platform built to support each of the 12 items in this checklist. Network Discovery, Validators, Application Discovery, Risk Prioritization, Actionability, and Company-Wide Reporting map directly to the operational capabilities the checklist requires.

The platform's PQC validators reference NIST-finalized post-quantum standards by name and flag non-PQC-aligned algorithms in mandate-relevant contexts. Quantum readiness is reported as a continuous status, not as a project milestone, and the underlying posture data is the same data driving day-to-day remediation.

Frequently Asked Questions About Quantum Readiness

What does quantum readiness mean?

It is the continuous state of having cryptography that is aligned to post-quantum standards, anchored in a current-state cryptographic inventory and tracked against mandate deadlines. It is a status, not a finish line.

When does quantum readiness need to be achieved?

Federal mandates set varying timelines. CNSA 2.0 establishes the federal trajectory. Most enterprise-grade systems are expected to be substantially PQC-aligned by 2030-2035, with priority given to systems handling long-lived sensitive data.

Can we wait until quantum computers actually exist?

No, for two reasons. First, most cryptographic exposure on enterprise networks today is unrelated to quantum and exists right now. Second, harvest-now-decrypt-later means encrypted data captured today will be decrypted when quantum capability arrives.

What is the first step toward quantum readiness?

Continuous cryptographic discovery. Without a current-state inventory, every subsequent step rests on assumption. Discovery is item 1 on the checklist for that reason.

Quantum Readiness Checklist Summary

Phase	Checklist Items
Current-State Posture	1-6: discovery, validation, mapping, prioritization, operational remediation, continuous reporting.
Post-Quantum Readiness	7-12: PQC validators, federal mandate alignment, HNDL exposure, migration roadmap, continuous tracking, board reporting.
Scoring	0-3 pre-readiness, 4-7 foundational, 8-11 operational, 12 mature.

Score your organization against this checklist with a structured assessment. Request an ISARA Advance Quantum Readiness Assessment.