G7 cyber group tells industry to stop postponing post-quantum upgrades

[QueueDay]

The G7 Cyber Expert Group, a working group prepared following June's G7 Summit in France, published a report urging governments and businesses to accelerate their shift to post-quantum cryptography, warning that organizations can no longer afford to postpone the work. The report acknowledges timelines for when quantum computers could actually break today's encryption remain genuinely uncertain, but identifies that the underlying threat already exists today through harvest now, decrypt later attacks, where adversaries collect encrypted data now specifically to decrypt it once sufficiently powerful quantum hardware eventually exists

The document stops short of setting binding regulatory mandates, but it aligns G7 authorities around a shared planning horizon and treats quantum safe migration as a core resilience issue rather than a niche technical upgrade. It points to the long lead times required for cryptographic change as the central reason organizations need to act now rather than waiting, since migrating critical systems and data to post-quantum forms of encryption realistically takes years to plan and execute properly across large institutions

The report also flags that quantum computers could eventually weaken authentication systems and secure contract mechanisms, not just basic data encryption, broadening the scope of what needs migrating beyond simple message confidentiality. Curious what people think about this kind of coordinated but non-binding international guidance, does aligning major governments around a shared voluntary timeline actually move the needle, or does meaningful change require real regulatory teeth

The G7 tells industry to hurry up and prep for post-quantum encryptioncyberscoop.com