There's a future day people call 'Q-Day,' the point where quantum computers become powerful enough to break the encryption protecting most of the internet.
For years, that day sat in the same mental drawer as other 'distant, not urgent' risks. That assumption is no longer safe.
Google, which has real internal visibility into how fast quantum hardware is advancing, set its own deadline: 2029 to complete migration to post-quantum cryptography.
Think of current encryption like a heavily armored vault door with a lock so complex no regular computer could crack it in a reasonable time.
A sufficiently powerful quantum computer would be like a master key that opens every one of those vaults at once.
The real danger isn't that the threat is distant, it's that encrypted data being stolen today can simply be stored and decrypted later once the technology catches up. This strategy has a name: 'harvest now, decrypt later.'
Your data today doesn't just need to survive today's attacks. It needs to survive attacks that haven't been invented yet.
Google saw this coming and moved years ahead of official security guidance. The question every organization should be asking: where exactly are we on that same timeline?
🔗 Original Source & Reference: https://siliconangle.com/2026/09/13/q-day-is-approaching-most-organizations-arent-ready/
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