New NIS2 Cybersecurity Legislation in the Czech Republic: Who it Affects and What You Need to Know
From November 2025, a new Cybersecurity Act (No. 264/2025 Coll.) will come into effect in the Czech Republic, transposing the European NIS2 Directive into Czech law. This directive fundamentally changes the rules for ensuring cybersecurity and will affect hundreds of thousands of organizations across the EU – and thousands of entities in our country.
Why NIS2 is Important
The NIS2 Directive builds upon the original NIS1 from 2016, but its scope is much broader. The goal is to increase the EU's resilience against cyberattacks, ensure better protection of critical infrastructure, and strengthen the accountability of management in both companies and public institutions.
Who NIS2 Affects in the Czech Republic
The new law stipulates that so-called essential and important entities fall under the cybersecurity regime. The primary criteria are size (medium and large organizations) and sector of activity.
Specifically, this will include, for example:
- energy, transport, healthcare, finance, digital infrastructure, postal and courier services, manufacturing of critical products, water management, waste management, space sector,
- digital service providers (e.g., cloud, social networks, online marketplaces),
- public administration bodies – i.e., ministries, central authorities, regions and municipalities with extended powers (ORP).
This means that even smaller towns with extended administrative authority will have to fulfill the obligations arising from the new legislation.
Obligations introduced by NIS2
Entities covered by the law will have to:
- implement a cybersecurity risk management system,
- protect the supply chain,
- ensure regular employee training in cybersecurity,
- have established procedures for detecting, resolving, and reporting incidents,
- report significant cyber incidents to NÚKIB,
- be prepared for management responsibility and potential sanctions for non-compliance with obligations.
Through the NÚKIB portal, you can verify whether the service you provide will be regulated and which regime you will likely fall under. You can find the calculator here: https://portal.nukib.gov.cz/kalkulacka
Entities affected by the regulation will have to undergo a process of identification and registration with NÚKIB. Subsequently, they will have time to implement specific measures.
What this means in practice
- For companies and institutions, this represents not only a legislative obligation but also an opportunity to increase their resilience against growing cyber threats.
- Municipalities with extended powers should start planning now to strengthen IT departments, train staff, and establish crisis scenarios.
- Smaller municipalities, which do not directly fall under the regime, will often encounter NIS2 indirectly – for example, through their suppliers or partner organizations.
Summary
NIS2 represents a fundamental shift in cybersecurity. In the Czech Republic, it will affect not only large companies and critical infrastructure, but also regions and municipalities with extended powers. From November 2025, it will be essential to have processes in place that will protect data, services, and citizens from cyber threats. Those who start preparations early will avoid sanctions and simultaneously increase their organization's credibility.
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