Publications

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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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Conformity Assessment of Qualified Trust Service Providers

This document provides an overview of the conformity assessment framework for QTSPs as set out in the eIDAS Regulation, i.e. aiming to confirm that the assessed QTSP/QTS fulfils its requirements. This report discusses the typical process flow and…

Recommendations for Qualified Trust Service Providers based on Standards

This document provides recommendations to help qualified trust service providers and auditors understand the expected mapping between these requirements/obligations and reference numbers of standards, as well as practical recommendations for their…

Security Framework for Qualified Trust Service Providers

This document proposes a security framework to achieve compliance with Article 19 of the eIDAS Regulation, to which both non-QTSP and QTSP are subject. Nevertheless, Article 19.1 states that the security measures “shall ensure that the level of…

Security Framework for Trust Service Providers

This document proposes a security framework to achieve compliance with Article 19 of the eIDAS Regulation. As illustrated below, this security framework includes specific guidelines for TSP on: 1) Risk management related to the security of the eIDAS…

EU Cybersecurity Initiatives in the Finance Sector

The finance sector is a heavily regulated sector, and cybersecurity provisions are already included in multiple EU policies and legislations (e.g. PSD 2 , MIFID II ). EU institutions, agencies, bodies, regulators and other groups of stakeholders run…

Crypto Assets: Introduction to Digital Currencies and Distributed Ledger Technologies

This report aims to increase the understanding of blockchain technologies. It aims to explain the underlying technical concepts and how they relate to each other. The goal is to explain the components, and illustrate their use by pointing to…

Data Pseudonymisation: Advanced Techniques and Use Cases

This report, building on the basic pseudonymisation techniques, examines advanced solutions for more complex scenarios that can be based on asymmetric encryption, ring signatures and group pseudonyms, chaining mode, pseudonyms based on multiple…

Cloud Security for Healthcare Services

This study aims to provide Cloud security practices for the healthcare sector and identify security aspects, including relevant data protection aspects, to be taken into account when procuring Cloud services for the healthcare industry. The set of…

Guidelines - Cyber Risk Management for Ports

This report aims to provide port operators with good practices for cyber risk assessment that they can adapt to whatever risk assessment methodology they follow. In order to achieve this, this report introduces a four-phase approach to cyber risk…

Sectoral CSIRT Capabilities - Energy and Air Transport

This study provides a continuation of work on Sectoral IRC at European level following the publication of the 2019 “EU Member States incident response development status report”. The report focuses on trends in Energy and Air Transport Incident…