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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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AI an opportunity for the EU cyber crisis blueprint - Report

On the 3rd and 4th of June 2019, ENISA organized in Athens, Greece, a conference on Artificial Intelligence in the EU cyber crisis blueprint context under the title ‘ Artificial Intelligence-An opportunity for the EU cyber-crisis management’.…

National / EU authorities

Secure Group Communications for incident response and operational communities

With a number of cybersecurity incidents and an attack surface that increase every day, spanning from large infrastructures to the end users, there is the need to improve operational cooperation, preparedness and information exchange by promoting…
National / EU authorities

ENISA CSIRT maturity assessment model

This is the updated version of the "Challenges for National CSIRTs in Europe in 2016: Study on CSIRT Maturity" published by ENISA in 2017. The study takes all relevant information sources into account, with a special emphasis on the NIS Directive,…
National / EU authoritiesPrivate Sector

ENISA Maturity Evaluation Methodology for CSIRTs

This is the updated version of the "Study on CSIRT Maturity – Evaluation Process" published by ENISA in 2017. The new version (v.2) reflects values that are consistent with other documents and studies on CSIRT maturity.
National / EU authoritiesPrivate Sector

Study on CSIRT landscape and IR capabilities in Europe 2025

The objective of this study is to help ENISA identify and draw conclusions about the recent and current evolution of CSIRTs and IR capabilities in Europe towards 2025. Building on the existing knowledge gathered in the European CSIRT inventory, this…
National / EU authorities

ECSC 2018 Analysis Report

The 5th Edition of the European Cyber Security Challenge, ECSC2018 was hosted in London during 14th to 17th October. The event was organised by the Cyber Security Challenge UK at the Tobacco Dock, an iconic grade one listed building which has a rich…
National / EU authorities

Cooperation between CSIRTs and Law Enforcement: interaction with the Judiciary

This report aims to support the cooperation between CSIRTs and Law Enforcement, as well as their interaction with the judiciary in their fight against cybercrime, by providing information on the legal, organisational, technical and cultural aspects…
National / EU authorities

Cyber Europe 2018 - After Action Report

ENISA has compiled all the information gathered during the exercise and produced an after-action report, identifying challenges and main takeaways, and making useful recommendations for the participants.
National / EU authorities

Reference Incident Classification Taxonomy

This taxonomy resulted from collaboration initiatives such as the annual ENISA/EC3 Workshop which involved CSIRTs, LEAs, ENISA, and EC3. Other examples include the eCSIRT.net taxonomy2 which was developed in 2003, and the eCSIRT.net mkVI taxonomy3…
National / EU authoritiesPrivate Sector

Maturity Reference for CSIRTs – Executive Summary

The target audience for this study is primarily the middle management layer in the CSIRTs, responsible for increasing the team’s maturity. The study will help them to more easily and quickly implement real maturity improvement, following self-…
National / EU authoritiesPrivate Sector