Migration Roadmap

A phased plan from discovery to validated post-quantum readiness.

Overall migration progress

Target: PQC coverage across payment and identity by 2030

38%
  1. Phase 1 · Q1 2026

    Discover

    Complete
    100%
    • Inventory cryptographic assets

      Security Engineering

    • Generate CBOM

      Security Engineering

    • Identify legacy algorithms

      AppSec

  2. Phase 2 · Q3 2026

    Prioritize

    In Progress
    62%
    • Calculate quantum risk

      Risk Office

    • Identify critical assets

      Risk Office

    • Prioritize long-lived data

      Data Platform

  3. Phase 3 · Q1 2027

    Prepare

    Planned
    12%
    • Select PQC algorithms

      Cryptography Guild

    • Test compatibility

      Platform SRE

    • Create hybrid architecture

      Architecture

  4. Phase 4 · Q3 2027 – Q4 2029

    Migrate

    Planned
    0%
    • Replace vulnerable algorithms

      App Teams

    • Update certificates

      PKI Team

    • Upgrade libraries

      App Teams

    • Update infrastructure

      Platform SRE

  5. Phase 5 · 2030

    Validate

    Planned
    0%
    • Re-scan estate

      Security Engineering

    • Verify PQC adoption

      Risk Office

    • Generate compliance report

      Compliance

Next milestone

Complete prioritisation of long-lived data stores before Q4 2026 to keep the 2030 migration deadline achievable.