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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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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…

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-…

European Cyber Security Month 2016 - Deployment report

For the fourth consecutive year, last October the European Cyber Security Month (ECSM) campaign took place across Europe. The campaign was supported by ENISA, the European Commission, Europol’s EC3 and the European Banking Federation, plus partners…

Cyber Hygiene

This report looks at the leading cyber hygiene programs across the European Union and drills down into a selection of Small – Medium Enterprises to establish their understanding and engagement with the national strategies. Based on the information…

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…

Guidelines for SMEs on the security of personal data processing

ENISA undertook a study to support SME’s on how to adopt security measures for the protection of personal data, following a risk-based approach. In particular, the objectives of the study were to facilitate SMEs in understanding the context of the…

Information security and privacy standards for SMEs

The analysis conducted for this study, based on the interviews with subject matter experts and review of available studies, shows that, despite rising concerns on information security risks, the level of SMEs information security and privacy…