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2024 Report on the State of the Cybersecurity in the Union

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This document marks the first report on the state of cybersecurity in the Union, adopted by ENISA in cooperation with the NIS Cooperation Group and the European Commission, in accordance with Article 18 of the Directive (EU) 2022/2555 (…

ENISA Threat Landscape 2024

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Seven prime cybersecurity threats were identified in 2024, with threats against availability topping the chart and followed by ransomware and threats against data, and the report provides a relevant deep-dive on each one of them by analysing…

Best Practices for Cyber Crisis Management

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This study highlights the complexities behind the notion of cyber crisis and the degree of subjectivity it involves. The elevation of a large-scale cyber incident into a cyber crisis relies predominantly on a political decision, and depends…

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Building Effective Governance Frameworks for the Implementation of National Cybersecurity Strategies

This study is focusing on the good practices around the set-up and deployment of a governance framework to support the implementation of the NCSS in the EU. The objective is to systematically review existing governance models relevant to the…

National / EU authorities

A Governance Framework for National Cybersecurity Strategies

This study focuses on the good practices around the set-up and deployment of a governance framework to support the implementation of the NCSS in the EU. The main aim of this statistical outline is to give an overview of the key findings of the study…
National / EU authorities

Demand Side of Cyber Insurance in the EU

The report analyses current perspectives and challenges of Operator of Essential Services (OESs) related to the acquirement of cyber insurance services. Information and statistics are presented according to the selection, acquisition and use of…
National / EU authoritiesPrivate Sector
sustained activity by specific threat actors joint publication

Sustained Activity by Threat Actors- Joint Publication

ENISA, the EU Agency for Cybersecurity, and CERT-EU, the Computer Emergency Response Team of all the EU institutions, bodies and agencies (EUIBAs), have issued a joint publication to alert on sustained activity by particular threat actors. Malicious…
National / EU authorities

NIS Investments 2022

This report marks the third iteration of ENISA's NIS Investments report, which collects data on how Operators of Essential Services (OES) and Digital Service Providers (DSP) identified in the European Union’s directive on security of network and…
National / EU authorities

Trust Services Security Incidents 2021

This report provides an aggregated overview of the notified breaches for 2021, analysing root causes, statistics and trends. It marks the sixth round of security incident reporting for the EU’s trust services sector. In this round of annual summary…
National / EU authorities

Telecom Security Incidents 2021

This report provides anonymised and aggregated information about major telecom security incidents in 2021. The 2021 annual summary contains reports of 168 incidents submitted by national authorities from 26 EU Member States (MS) and 2 EFTA countries.
National / EU authorities

Cyber Threats Outreach In Telecom

In this paper, we aim to give guidance to national Authorities and providers of electronic communications networks and services regarding how to strike the right balance and carry out efficient and effective outreach to users about cyber threats.
National / EU authoritiesPrivate Sector

Aspects of Cooperation between CSIRTs and LE - Handbook 2021

This training material is an updated version of the training material Aspects of Cooperation between CSIRT and LE - Handbook, Document for trainers3, that was developed based particularly on the ENISA 2020 Report on CSIRT-LE Cooperation.
National / EU authorities

Aspects of Cooperation between CSIRTs and LE - Toolset 2021

This training material is an updated version of the ENISA training material Aspects of Cooperation between CSIRT and LE - Toolset, Document for trainees3, that was developed based particularly on the ENISA 2020 Report on CSIRT-LE Cooperation.
National / EU authorities