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NISDESK · GR

NIS2 Compliance in Greece

In short: NIS2 applies in Greece to medium and large organisations (50+ employees or over €10M turnover) in the 18 sectors of Annexes I and II. The competent authority is National Cybersecurity Authority (ENISA-GR) / GSRT. Significant incidents go to GR-CSIRT: early warning within 24 hours, notification within 72 hours, final report within one month.

Greek entities in critical sectors must register with the National Cybersecurity Authority and report incidents to GR-CSIRT within 72 hours.

Transposition status: Transposed via Law 5160/2024; the National Cybersecurity Authority within the Ministry of Digital Governance supervises compliance.

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NIS2 covers medium and large organisations in 18 sectors. Fines reach €10M or 2% of global turnover. Check your scope, obligations and a readiness score for free.

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National authority & CSIRT

In Greece, NIS2 supervision is handled by National Cybersecurity Authority (ENISA-GR) / GSRT. The national CSIRT is GR-CSIRT. Significant incidents must be reported within 24 h (early warning), 72 h (notification) and one month (final report) per NIS2 Article 23.

NIS2 sectors in Greece

Each sector has specific obligations. Explore them for Greece:

EnergyAnnex ITransportAnnex IBankingAnnex IFinancial Markets InfrastructureAnnex IHealthAnnex IDrinking WaterAnnex IWastewaterAnnex IDigital InfrastructureAnnex IICT Service Management (B2B)Annex IPublic AdministrationAnnex ISpaceAnnex IPostal and Courier ServicesAnnex IIWaste ManagementAnnex IIManufacture, Production and Distribution of ChemicalsAnnex IIProduction, Processing and Distribution of FoodAnnex IIManufacturingAnnex IIDigital ProvidersAnnex IIResearchAnnex II

Frequently asked questions

Which sectors are covered by NIS2 in Greece?

NIS2 covers 18 sectors: Annex I (highly critical — energy, transport, banking, financial markets, health, water, digital infrastructure, ICT service management, public administration, space) and Annex II (other critical — postal services, waste management, chemicals, food, manufacturing, digital providers, research). Transposed via Law 5160/2024; the National Cybersecurity Authority within the Ministry of Digital Governance supervises compliance.

Who supervises NIS2 compliance in Greece?

In Greece, the primary competent authority is National Cybersecurity Authority (ENISA-GR) / GSRT. The national CSIRT is GR-CSIRT, which handles significant incident notifications and cybersecurity coordination.

What are the NIS2 incident reporting deadlines in Greece?

Organisations must submit an early warning to GR-CSIRT within 24 hours of a significant incident, a formal notification within 72 hours, and a final report within one month — per NIS2 Article 23.

What are the NIS2 fines in Greece?

Essential entities face fines up to €10 million or 2% of global annual turnover. Important entities face up to €7 million or 1.4% of global annual turnover. Exact enforcement varies by national transposition.

Explore more:

All EU countriesNIS2 vs DORANIS2 finesReporting deadlinesNIS2 & DORA answers

Official sources

Last reviewed: 2026-07-03

For decision-support purposes only. Exact scope depends on national transposition — use our free scope checker for a personalised assessment.