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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Zoning and Conduits for Railways

This document gives guidance on building zones and conduits for a railway system. To do so, first the methodology is described. This approach is based on the recently published CENELEC Technical Specification 50701 (CLC/CLC/TS 50701:2021).

NFV Security in 5G - Challenges and Best Practices

In this report explores relevant challenges, vulnerabilities and attacks to the Network Function Virtualization (NFV) within the 5G network. NFV changes the network security environment due to resource pools based on cloud computing and open network…

ENISA CSIRT Maturity Framework - Updated and improved

This document presents the updated and improved version of ENISA’s Computer Security Incident Response Teams (CSIRT) Maturity Framework that is intended to contribute to the enhancement of the capacity to manage cyber incidents, with a focus on…

Boosting your Organisation's Cyber Resilience - Joint Publication

ENISA and CERT-EU strongly encourage all public and private sector organisations in the EU to adopt a minimum set of cybersecurity best practices.

Security and Privacy for public DNS Resolvers

Domain Name System (DNS) resolution is a hierarchical distributed system of protocols and systems, whose main purpose is to map the human friendly domain names, such as www.example.com, to machine readable IP…

Data Protection Engineering

Data Protection Engineering can be perceived as part of data protection by Design and by Default. It aims to support the selection, deployment and configuration of appropriate technical and organizational measures in order to satisfy specific data…

Digital Identity: Leveraging the SSI Concept to Build Trust

The maintenance of continuity in social life, businesses and administration has accelerated the reflection on the possibility of a need for such decentralised electronic identity. This report explores the potential of self-sovereign identity (SSI)…

Remote Identity Proofing - Attacks & Countermeasures

Remote identity proofing is a crucial element in creating trust for digital services. The present study analyses the collection and validation of evidence provided by the applicant to complete the verification of his or her identity. More…

Compendium of Risk Management Frameworks with Potential Interoperability

This report presents the results of desktop research and the analysis of currently used cybersecurity Risk Management (RM) frameworks and methodologies with the potential for interoperability. The identification of the most prominent RM frameworks…

Securing Machine Learning Algorithms

Based on a systematic review of relevant literature on machine learning, in this report we provide a taxonomy for machine learning algorithms, highlighting core functionalities and critical stages. The report also presents a detailed analysis of…