Google has moved its deadline for upgrading encryption to quantum-resistant standards from sometime after 2029 to 2029 itself—33 months away—based on recent breakthroughs in quantum computing. The real risk is that adversaries storing encrypted messages today will be able to decrypt them later once quantum computers arrive, which is why platforms like Signal and iMessage have already begun migrating. Most major websites and cloud providers are already running post-quantum encryption for key exchange, but messaging apps and authentication systems need urgent updates, and some older hardware like trusted execution environments may not be upgradeable in time.