Publications

Featured publications

NIS Investments 2025

The annual NIS Investments report presents the findings of a study conducted by ENISA to explore how cybersecurity policy translates in practice across organisations in the EU and its effects on their investments, resources, and operations.

ENISA Threat Landscape 2025

Through a more threat-centric approach and further contextual analysis, this latest edition of the ENISA Threat Landscape analyses 4875 incidents over a period spanning from 1 July 2024 to 30 June 2025. At its core, this report provides an…

NIS2 Technical Implementation Guidance

This report provides technical guidance to support the implementation of the NIS2 Directive for several types of entities in the NIS2 digital infrastructure, ICT service management and digital providers sectors. The…

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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…

ENISA International Strategy

This international strategy covers the cooperation with international organisations and with non-EU countries. 

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…

Countering SIM-Swapping

In this study, we give an overview of how SIM-Swapping attacks work, list measures that providers can take to mitigate the attack and make recommendations for policy makers and authorities in the telecom sector and other sectors. Security of…