What is Q-Day according to Google?

Q-Day is the theoretical future day when a quantum computer will possess the capability to break all current cryptographic security.

When does Google expect Q-Day to occur?

Google has moved its projected date for Q-Day to 2029.

Why is Google concerned about quantum computing by 2029?

New research suggests that one million noisy qubits could factor large RSA encryption keys in less than a week, a capability previously thought to be much further off.

Home / Technology / Quantum Threat: Google Moves Up Cryptography Deadline

Quantum Threat: Google Moves Up Cryptography Deadline

26 Mar

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Summary

Google now expects quantum computers to break security by 2029.
One million noisy qubits could factor RSA keys in under a week.
This shifts preparation for post-quantum cryptography forward.

Quantum Threat: Google Moves Up Cryptography Deadline

The timeline for 'Q-Day,' the theoretical moment quantum computers can break all cryptographic security, has been drastically shortened by Google. The company now anticipates this eventuality by 2029, a significant acceleration from previous estimates. This adjustment requires the security community to expedite its transition to post-quantum cryptography (PQC).

This revised deadline is reportedly influenced by research indicating a quantum computer with one million noisy qubits could factor a 2048-bit RSA integer in less than a week. Previously, such a feat was thought to require a billion precise qubits. This development signals a remarkable and potentially concerning leap in quantum computing capabilities.

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