The most common hidden "gotchas" that put you under the new Cybersecurity Act

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Do you feel confident that you know exactly what your organisation does and that the new Cybersecurity Act definitely cannot apply to you? Because you don’t operate in any of the 22 regulated sectors, you don’t have hundreds of employees, or you’re not a critical infrastructure? The truth is, problems rarely arise in places everything is obvious – they arise where no one would expect them. So in what situations can the law apply to you, even if you wouldn’t anticipate it at a first glance?

Your “side activity” may be crucial from the law’s perspective

Companies often skim the list of regulated sectors, compare it with their primary business activity, and stop there. But the law doesn’t ask what generates your revenue – but at what you actually do. Even “incidentally.” A regulated service can be hiding exactly where you don’t expect it. It pays to look closely at the details and ask yourself questions such as:

  • Do you use or produce chemicals? Could you fall under the Major Accident Prevention Act?
  • Do you provide IT support to another legal entity (another company ID)?
  • Do you operate a photovoltaic power plant above 1 MW – even just for your own use?
  • Are you planning, as part of your ESG initiatives, to install more than 50 publicly accessible EV chargers?
  • Do you develop software and later provide support to other companies?
  • Do you transport waste for someone? Do you trade in waste? Waste management includes four regulated services – could you fall under one of them?
  • What activities do you perform in the food sector? Did you know that primary production, distribution or processing of food can be a regulated service?

With these questions we want to highlight that your “secondary activity,” may be something you might run almost unintentionally, but can be crucial from the perspective of the Cybersecurity Act.

It’s important to keep this in mind, because many organisations have no idea that they may fall under the law simply because they carry out certain activities as part of their normal operations. Whether it’s a photovoltaic installation above 1 MW for internal use, a plan to install public EV chargers, a public railway siding, logistics for another entity, or IT services within a corporate group – all of these can turn an ordinary organisation into a provider of a regulated service.

Don’t underestimate digital services

One of the most problematic areas is Managed services (in Decree on Regulated Services you’ll find it under number 16.13). For this service, it is enough to be a medium-sized enterprise and to manage another organisation’s servers, hardware, networks, applications, or security – and voilà, you are providing a regulated digital service.

It doesn’t matter whether this is for a company in your group, a long-term business partner, or just a small "friendly favour". If you perform these tasks for another legal entity, you meet the definition of a managed service and fall under the Cybersecurity Act.

A typical example: Within a corporate group, one company manages IT for nine other subsidiaries or sister companies. Nothing complicated, nothing that looks like a major business line – but this alone makes it a provider of a regulated digital service.

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The size of the organisation isn’t just about a headcount

Another surprise – and a common source of mistakes – is determining organisational size. Companies often consider themselves small enterprises. But if they have a parent company with 300 employees, they cease to be “small” in legislative terms solely because of that connection, and their obligations change significantly.

Employees of connected companies count toward the total size. A company with 30 people may therefore be classified as a medium-sized or even large enterprise simply because it is part of a group. Sometimes it is enough that you share systems and infrastructure with a foreign parent company with hundreds of employees.

In addition, the law works with FTEs (full-time equivalents), so two half-time employees = one employee. We recommend keeping this in mind when calculating the size.

Shared technical assets determine "connection"

For companies connected by ownership, their sizes are newly not automatically added together – only if they share technical assets. This means shared IT equipment, infrastructure, servers, applications, or similar technologies. In practice, it can look like this:

The difference between “falling into the higher regulatory regime” and “not falling under the law at all” can come down to a single decision – such as where your server is hosted.

Questions you should be asking yourselves

To ensure you carry out self-identification correctly, it pays to start with some simple but very practical questions::

These questions are often the first hint that a regulated service may be hiding somewhere you would never expect it. This is precisely why self-identification is the most deceptive – yet the most important – part of the entire process.

If you want to be sure that you are identifying regulated services correctly and not overlooking any “hidden regulated service,” it makes sense to request a professional assessment of regulated services. You will receive a clear output – and, most importantly, peace of mind that you’re not missing anything essential.

We can help verify your obligations

Not sure whether your organisation falls under the new Cybersecurity Act? We offer a professional assessment of regulated services under the new Cybersecurity Act.

More articles

Real incidents from 2025 showed us that cybersecurity problems aren’t caused only by hackers. Sometimes, ordinary process and human failures are all it takes.
Dealing with the new Cybersecurity Act at the last minute and looking for answers? We’ve answered the most common questions to help you understand the new obligations and figure out what actually applies to you.
Does the new Cybersecurity Act apply to you and you are trying to figure out how to report your regulated services? Here’s a step-by-step guide to help you meet this obligation.

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