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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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…

EUCS – Cloud Services Scheme

This publication is a draft version of the EUCS candidate scheme (European Cybersecurity Certification Scheme for Cloud Services), which looks into the certification of the cybersecurity of cloud services. In accordance with Article 48.2 of the…

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…

Telecom Security During a Pandemic

The COVID-19 pandemic not only highlighted the importance of electronic communication networks and services for the EU’s society and economy, but it also triggered major changes and challenges in their use in the EU and worldwide. In this paper, we…

Cybersecurity Stocktaking in the CAM

In this document, the CAM ecosystem and insights involving stakeholder interactions, critical services and infrastructures, standards, as well as security measures are described. The insights gained from the survey, interviews, and desk research…

Railway Cybersecurity

This ENISA study regards the level of implementation of cybersecurity measures in the railway sector, within the context of the enforcement of the NIS Directive in each European Member State. It presents a thorough list of essential railway…

Cybersecurity Certification: Candidate EUCC Scheme

Following the request from the European Commission in accordance with Article 48.2 of the Cybersecurity Act, ENISA has set up an Ad Hoc Working Group to support the preparation of a candidate EU cybersecurity certification scheme as a successor to…

Power Sector Dependency on Time Service: attacks against time sensitive services

This publication describes the threats against energy providers’ services which depend on the availability of precise timing and communication networks. It provides a typical architecture which supports the time measurement service. Then it…

Encrypted Traffic Analysis

This report explores the current state of affairs in Encrypted Traffic Analysis and in particular discusses research and methods in 6 key use cases; viz. application identification, network analytics, user information identification, detection of…