Publications

Featured publications

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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Proactive detection – Measures and information sources

The current project aims to provide a complete inventory of all available methods, tools, activities and information sources for proactive detection of network security incidents, which are used already or potentially could be used by incident…

Proactive detection – Survey results

The current project aims to provide a complete inventory of all available methods, tools, activities and information sources for proactive detection of network security incidents, which are used already or potentially could be used by incident…

Security Supervision under the EECC

With this report ENISA aims to support EU countries with their transposition, by analysing the main changes to the security requirements and the security supervision under the new rules. The principles of security supervision under the new rules (…

Good practices in innovation on Cybersecurity under the NCSS

ENISA supports the efforts aimed to enhance the overall level of cybersecurity in the Member States (MS) both at a national and EU level. This report supports that effort by analysing how Member States are approaching innovation as a strategic…

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…

Annual Report Telecom Security Incidents 2018

This is the 8th time ENISA publishes an annual incident report for the telecom sector. In 2018, half of the total user hours lost (482 million user hours) were due to natural phenomena. It is the first year that natural phenomena are the main root…

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,…

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.

Good practices on interdependencies between OES and DSPs

This study is concerned with dependencies and interdependencies among Operators of Essential Services (OES) and Digital Service Providers (DSPs) as defined in the NIS Directive and addresses emerging dependencies and interdependencies across sectors…

Guidelines on assessing DSP security and OES compliance with the NISD security requirements

This report presents the steps of an information security audit process for the OES compliance, as well as of a self-assessment/ management framework for the DSP security against the security requirements set by the NIS Directive. In addition, it…