A hypothetical doomsday for quantum computing may be on the horizon, computer scientists have warned for decades. But cybersecurity experts are now racing against the clock after Google announced that this “Q-Day” could arrive much sooner than originally anticipated.
In theory it is the day that quantum computers will acquire “enough resources and stability to crack conventional cryptography”, said CNN. When that day arrives, it could spell disaster for millions of people’s private information as “every financial transaction, medical file, email, location history and crypto wallet protected by today’s commonly used algorithms could be unlocked”.
It was previously believed that Q-Day was still far in the future, giving the tech world plenty of time to prepare new safeguards. But Google recently announced that it believes the day could arrive as soon as 2029, and the “new estimate means that governments, companies and other entities may have far less time to prepare”, added CNN. Many are comparing Q-Day with “Y2K or the millennium bug, a computer flaw that programmers thought might cause severe systemic problems after Dec. 31, 1999”.
Government entities have been weighing in. In 2022, the US National Security Agency (NSA) announced a plan to boost Q-Day readiness by the 2030s. But recently the deadline “has been in flux as both the Biden and Trump administrations have issued executive orders prioritising quantum readiness”, said news site Ars Technica. The NSA is currently “adhering to a 2031 deadline”.
Despite these plans, experts remain worried as encryption is “not a permanent state of protection”, said Forbes. It is a “time-locked safe that someone may already be holding, waiting for the combination”.
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