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 cybersecurity requirements for…

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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…

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…

NIS Investments Report 2021

Following the 2020 NIS Investment publication, this report covers all 27 EU Member States and offering additional insights into the allocation of NIS budgets of OES/DSP, the economic impact of cybersecurity incidents and the organisation of…

CSIRT Capabilities in Healthcare Sector

An attack directed at a critical infrastructure, such as a hospital, can lead to physical damages and put the lives of patients at risk. Therefore, there is a need for solid Incident Response Capabilities (IRC) in the health sector, in particular…

ENISA Threat Landscape 2021

This is the ninth edition of the ENISA Threat Landscape (ETL) report, an annual report that identifies prime threats, major trends observed with respect to threats, threat actors and attack techniques, and also describes relevant mitigation…

Methodology for Sectoral Cybersecurity Assessments

The methodology for sectoral cybersecurity assessments described in this document (called SCSA Methodology) addresses objectives in the context of ICT security for sectoral multi-stakeholder systems and drafting sectoral cybersecurity…