G7 Urges Immediate Move to Quantum‑Resistant Encryption as Quantum Threat Looms

On Thursday, the G7 Cyber Security Working Group, in partnership with the U.S. Cybersecurity and Infrastructure Security Agency, released a joint advisory calling on both public and private organizations to promptly transition to post‑quantum cryptographic solutions.

The notice cautioned that rapid progress in quantum computing may soon make today’s leading public‑key schemes—like RSA and elliptic‑curve cryptography—obsolete, leaving everything from banking transfers to governmental communications vulnerable to decryption.

It proposes a concrete roadmap: entities ought to catalogue their current cryptographic assets, set migration schedules, trial quantum‑resistant algorithms in low‑risk settings, and work with vendors to verify compatibility with forthcoming standards.

These suggestions mirror the multi‑year initiative spearheaded by the National Institute of Standards and Technology, which has already shortlisted multiple candidate algorithms for standardization and aims to release definitive guidance within the coming year. Prominent tech companies have already started internal trials, indicating growing industry momentum.

Stakeholders in critical‑infrastructure, healthcare and finance are advised that early action can blunt the “harvest‑now, decrypt‑later” threat—where attackers hoard encrypted data now, awaiting future quantum capabilities to unlock it.

Going forward, the G7 intends to track developments, disseminate best‑practice frameworks, and explore coordinated policy steps to facilitate a seamless worldwide shift. Experts point out that although complete adoption will take several years, starting the migration today curtails long‑term disruption and bolsters overall cyber resilience.