G7 Cyber Security Working Group Calls for Post-Quantum Migration

What happened

The G7 working group published five migration priorities: awareness of quantum risk, national adoption strategies, quantum-safe research and development, public-private cooperation, and integration of post-quantum requirements into rules and procurement.

Technical mechanism

Post-quantum migration requires identifying vulnerable public-key cryptography, cataloging dependencies and long-lived data, introducing approved quantum-resistant algorithms, and preserving crypto-agility across systems and suppliers.

Why it matters

The guidance elevated post-quantum migration from a specialist research concern to a coordinated international resilience priority spanning sensitive data, authentication, procurement, and critical assets.

Impact

Governments, critical-infrastructure operators, and technology buyers received a common planning framework for reducing long-horizon cryptographic risk before a cryptographically relevant quantum computer exists.

Response

The publication called for immediate inventory, planning, research, partnership, and procurement action rather than waiting for a future emergency migration.

Defensive lessons

• Begin with cryptographic inventory and dependency mapping
• Prioritize systems protecting long-lived sensitive data, authentication, signing, certificates, and remote access
• Require crypto-agility and migration evidence in architecture and procurement

Evidence register

1. CISA and the G7 Cyber Security Working Group — Preparing for the Post-Quantum Era: A Call to Action (verified)