# Quantum computers already exist

> Quantum computers are real, even if they are not in offices yet. What that means for cryptography, long-lived data and business planning today.

Source page: https://netsenx.com/en/blog/2026-11-04_quantum-computers-already-exist · NetSenX Team · 2026-11-04

For years, quantum computers sounded like something between science, futurism and science fiction. Something discussed in laboratories, research papers and big technology conferences, but still far away from everyday business.

That stage is slowly ending.

Quantum computers already exist. Not as devices sitting in normal offices. Not as magic machines solving every business problem. And not as systems that are breaking encryption at scale today. But they do exist as real research, industrial and cloud infrastructure.

IBM offers access to quantum processors through the cloud. AWS Braket allows users to experiment with different quantum technologies. Europe is building its own quantum infrastructure connected to high-performance computing through EuroHPC. In China, Origin Quantum has developed the Wukong quantum computer line. Google has shown Willow, an important research chip in the direction of error correction and scalable quantum systems.

This does not mean that quantum computers are replacing classical computing. We are not there yet. Today’s quantum machines are still difficult, expensive, noisy and limited to specific types of problems. Many require extreme operating conditions, very low temperatures, precise physical control and highly specialised software.

But this is exactly what makes the current moment interesting.

Major technologies rarely begin as cheap, simple and widely available tools. The first computers were not personal. The early internet did not look like today’s digital economy. The first AI models did not look like the systems now changing software development, marketing, education, cybersecurity and business operations.

At the beginning, it is always easy to say “It is not ready yet.”

Later, the advantage often belongs to those who understood the direction early and prepared the foundations before everyone else had to react.

Quantum computing is also not one single technology. There are different approaches: superconducting qubits, trapped ions, neutral atoms, photonics, quantum annealing and quantum-inspired systems. Each path has its own strengths, limits and possible use cases. Some may be more relevant for molecular simulation, others for optimisation, materials science, chemistry, logistics, finance or future cryptography.

It is a little like looking at the early decades of aviation. There were no global airlines, no mass travel and no airports in every major city. But it was already clear that a new kind of infrastructure had appeared and that it could change how the world moves.

Quantum is similar.

It is not yet everyday infrastructure for most companies. But it is no longer just theory.

That is why the post-quantum discussion should not be built on fear. The point is not to claim that everything will be broken tomorrow. The point is to prepare organisations for the next stage of digital infrastructure, where AI, data, cryptography, cloud, suppliers and quantum capabilities will increasingly overlap.

The most practical question is not “Will a quantum computer break our encryption tomorrow?”

A better question is “Do we know what cryptography protects our data today, which data has long-term value, where our certificates, keys, protocols, suppliers and hard-to-migrate systems are?”

That is the difference between panic and mature risk management.

Quantum computers are not yet a common business technology. But they are already real enough for serious organisations to start building visibility, cryptographic inventories and migration capability.

History shows that the biggest mistake is rarely preparing too early.

More often, the mistake is repeating for too long “This does not affect us yet.”

That is why we should talk about quantum calmly, without fear, but also without ignoring the signals.

The question is no longer whether quantum computers exist.

The question is when their impact becomes large enough that companies without the right foundations will have to catch up under pressure.

And at that point, preparation will no longer be an advantage.

It will be a necessity.

What do you think: is quantum computing still too early for business strategy, or is this exactly the right moment to start preparing the foundations?

**Further reading:** [what NetSenX detects and how each alert explains itself](/en/features), [how NetSenX supports NIS2, GDPR and the AI Act](/en/compliance) and [the NetSenX plans and prices](/en/pricing).

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*Written by the NetSenX Team at TriStiX S.L. Questions: [info@netsenx.com](mailto:info@netsenx.com).*