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NIS2 for cloud and data-centre providers in Luxembourg

Cloud and data centres is listed in Annex I of the NIS2 directive. Large companies are essential entities; medium companies are important entities. In Luxembourg, the rules come from the Law of 5 May 2026 transposing NIS2, applicable since 10 May 2026; the authority is the Institut Luxembourgeois de Régulation (ILR).

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Who is covered in this sector

• Cloud computing service providers
• Data-centre service providers
• Content delivery networks
• DNS service providers, TLD registries and trust service providers (in scope whatever their size for several of these)

Companies that only use cloud services are not in scope as cloud providers.

The threats we see most in cloud and data centres

• DDoS and availability attacks
• Tenant-isolation and misconfiguration failures
• Abuse of administrator and API credentials
• Physical and power incidents in data halls

Five priority measures

1. 01 Customer-facing incident communication within the legal deadlines
2. 02 Privileged-access management and hardware keys for administrators
3. 03 Configuration baselines and continuous misconfiguration checks
4. 04 Redundancy and recovery tests with documented results
5. 05 Register in the country of your head office (NIS2 rule for cloud and data-centre providers)

What Luxembourg requires

• The law of 5 May 2026 was published in the Mémorial A (No. 225) and has applied since 10 May 2026.
• The competent authority is the ILR. Self-registration was due within two months, i.e. by 10 July 2026.
• Entities must adopt a cyber-risk management policy covering the ten minimum measures of the directive (risk analysis, incident handling, business continuity, supply-chain security, cryptography…).
• Incident reporting: early warning within 24 hours, notification within 72 hours, final report within one month.

Significant incidents: early warning within 24 hours, notification within 72 hours, final report within one month. Fines set by the directive: up to €10 million or 2% of worldwide turnover for essential entities, and up to €7 million or 1.4% for important entities (whichever is higher).

Tools and guides

Cloud and data centres in other countries

Other sectors in Luxembourg

Frequently asked questions

Is my cloud and data-centre provider company in scope of NIS2 in Luxembourg?

Cloud and data centres is an Annex I sector. Large companies are essential entities; medium companies are important entities. Small companies are generally out of scope unless designated. Our NIS2 check gives you the answer in two minutes.

What should we do first?

Register if you are in scope, name an owner, run a short risk assessment, and fix the basics: MFA, tested backups, patching, incident routine.

We are a supplier to this sector. Does it affect us?

Yes, indirectly: your customers must secure their supply chain and will ask you for evidence. See our supplier questionnaire guide.

Sources

• Guichet.lu / ILR — NIS2
• PwC Luxembourg — NIS2 in Luxembourg
• Paperjam — Up to 2,000 entities face NIS2 deadline

Last checked: 28 September 2026. This page is general information, not legal advice.