Publications

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2024 Report on the State of the Cybersecurity in the Union

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

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

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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The European Cyber Security Challenge: Lessons Learned report

The ECSC is an initiative of multiple European countries supported by the European Union Agency for Network and Information Security (ENISA) that aims at engaging cybersecurity talent across Europe and connecting high potentials. This report…

Tools and Methodologies to Support Cooperation between CSIRTs and Law Enforcement

This report aims to support the cooperation between CSIRTs - in particular national/governmental CSIRTs - and LEAs in their fight against cybercrime, by providing information on the framework and on the technical aspects of the cooperation,…

Improving Cooperation between CSIRTs and Law Enforcement: Legal and Organisational Aspects

This report aims to support the cooperation between CSIRTs - in particular national/governmental CSIRTs - and LEAs in their fight against cybercrime, by providing information on the legal and organisational aspects, identifying current shortcomings…

Cyber Europe 2016: After Action Report

Cyber Europe 2016 was the fourth pan-European cyber crisis exercise organised by the European Union Agency for Network and Information Security (ENISA). Over 1 000 participants working mostly in the ICT sector, from public and private organisations…

A good practice guide of using taxonomies in incident prevention and detection

The aim of this document is to provide good practices on using taxonomies for incident detection and prevention by taking into account the input received from the CSIRT community and relevant information from previous ENISA studies. In addition, it…

Strategies for incident response and cyber crisis cooperation

This document was prepared for the NIS Platform WG2 members introducing the main functions of CSIRTs from incident handling to crisis coordination – a high-level summary of the basics of incident response based on ENISA’s previous work on CSIRTs and…

Common practices of EU-level crisis management and applicability to the cyber crises

Despite a number of initiatives within the European Network and Information Security community to establish frameworks and standard operating procedures, the EU-level response to cyber incidents, and in particular these which lead to crisis…

NIS Directive and national CSIRTs

This is an informative note on what provisions of the upcoming NIS Directive might mean for CSIRTs. It contains references to parts of the Directive, and some comments and proposals from our side. By no means we consider this document fix or final,…