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# Q-Day Is Coming—And It Might Be Worse Than You Think
- URL: https://www.thedigitalspeaker.com/q-day-is-coming-and-it-might-be-worse-than-you-think/
- Published: 2025-03-24T11:54:56.000Z
- Updated: 2026-07-27T05:24:02.000Z
- Description: The world’s secrets, yours included, may already be in the hands of a quantum computer. When Q-Day arrives, everything from bank accounts to nuclear codes could be cracked in minutes.
- Author: Dr Mark van Rijmenam, CSP
- Tags: News, #seo-post-1

The world’s secrets, yours included, may already be in the hands of a [quantum](https://www.thedigitalspeaker.com/quantum-computing-speaker/) computer. When Q-Day arrives, everything from bank accounts to nuclear codes could be cracked in minutes.

Most likely, the organization that first cracks encryption will keep it quiet for a while. So, the question isn’t if this happens, but whether we’ll even notice before it’s too late.

Quantum computers are evolving faster than we can secure our data and we are raising toward Q-Day; the moment a quantum machine cracks encryption, exposing everything from financial systems to military secrets.

- “Harvest now, decrypt later” attacks stockpile encrypted data for future quantum hacks.
- Most of today’s encryption, including Bitcoin, could collapse overnight.
- Upgrading global infrastructure to quantum-safe security is moving too slowly and will be more expensive than the $100 billion Y2K bug.

Governments are racing to develop post-quantum cryptography, but are we already too late? The stakes aren’t just privacy, they include global stability, cybersecurity, and the future of trust itself.

If Q-Day is inevitable, the real question is: Who gets there first, and what will they do with it? How do we balance security, transparency, and power in a post-quantum world?

Read the full article on [Wired](https://www.wired.com/story/q-day-apocalypse-quantum-computers-encryption/?ref=thedigitalspeaker.com).

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