Google is dramatically shortening its deadline readiness for the arrival of Q Day, the point at which existing quantum computers can break public-key cryptography algorithms that secure decades’ worth of secrets belonging to militaries, banks, governments, and nearly every individual on earth.

https://arstechnica.com/security/2026/03/google-bumps-up-q-day-estimate-to-2029-far-sooner-than-previously-thought/

Google bumps up Q Day deadline to 2029, far sooner than previously thought

Company warns entire industry to move off RSA and EC more quickly.

Ars Technica
@dangoodin Did they also publish evidence that their last estimate was wrong? I'm not seeing it in your article or their announcement, but I could be missing something obvious.

@paulehoffman

Their estimate from last June of 1 million noisy qubits? That's the most recent estimate.