Publications

Featured publications

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…

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.…

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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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…

How to Avoid SIM-Swapping - Leaflet

This leaflet, addresses the SIM-swapping attacks, how to recognise them and how to mitigate the risk connected to this fraud. In fact, subscriber Identity Module (SIM) swapping is a legitimate procedure performed by a customer to change their SIM…

Raising Awareness of Cybersecurity

This report seeks to assist EU Member States in further building their cybersecurity capacities by analysing best practices on raising citizens’ awareness of cybersecurity. We have collected information and evaluated the intensity, regularity and…

Railway Cybersecurity - Good Practices in Cyber Risk Management

This report aims to be a reference point for current good practices for cyber risk management approaches that are applicable to the railway sector. It offers a guide for railway undertakings and infrastructure managers to select, combine or adjust…

Addressing Skills Shortage and Gap Through Higher Education

In this report, ENISA contributes to both practice and research on the cybersecurity skills shortage and gap in two distinctive areas. Firstly, it provides an overview of the current supply of cybersecurity skills in Europe through an analysis of…

Foresight Challenges

This report aims to highlight the most relevant foresight methods based on ubiquity or suitability to ENISA’s core needs to adequately address future cybersecurity threats and shape a more secure society. In fact, foresight enables reflection on…