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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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…

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…

Procurement Guidelines for Cybersecurity in Hospitals

As cybersecurity becomes more of a priority for hospitals, it is essential that it is integrated holistically in the different processes, components and stages influencing the healthcare ICT ecosystem. Procurement is a key process shaping the ICT…

Port Cybersecurity - Good practices for cybersecurity in the maritime sector

Developed in collaboration with several EU ports, this report intends to provide a useful foundation on which CIOs and CISOs of entities involved in the port ecosystem, especially port authorities and terminal operators, can build their…

ENISA good practices for security of Smart Cars

This report defines good practices for security of smart cars, namely connected and (semi-) autonomous vehicles, providing added-value features in order to enhance car users’ experience and improve car safety. Taking stock of all existing…

7 Steps to shore up the Border Gateway Protocol (BGP)

In this paper ENISA highlights the security vulnerabilities of BGP and explains why it is so important to address them. Working closely with experts from industry ENISA derived a shortlist of 7 basic BGP security measures which are industry good…

Cybersecurity Culture Guidelines: 'Technical Annex: Evidence Reviews'

This technical annex contains the four reviews that supported the writing of the report Review of “Behavioural Sciences Research in the Field of Cybersecurity”. The reviews are: 1. Measurement of cyber security attitudes and behaviours, 2.…