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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Interoperable EU Risk Management Framework

This report proposes a methodology for assessing the potential interoperability of risk management (RM) frameworks and methodologies and presents related results. The methodology used to evaluate interoperability stemmed from extensive research of…

Risk Management Standards

The purpose of this document is to provide a coherent overview of published standards that address aspects of risk management and subsequently describe methodologies and tools that can be used to conform with or implement these standards.

Zoning and Conduits for Railways

This document gives guidance on building zones and conduits for a railway system. To do so, first the methodology is described. This approach is based on the recently published CENELEC Technical Specification 50701 (CLC/CLC/TS 50701:2021).

NFV Security in 5G - Challenges and Best Practices

In this report explores relevant challenges, vulnerabilities and attacks to the Network Function Virtualization (NFV) within the 5G network. NFV changes the network security environment due to resource pools based on cloud computing and open network…

Security and Privacy for public DNS Resolvers

Domain Name System (DNS) resolution is a hierarchical distributed system of protocols and systems, whose main purpose is to map the human friendly domain names, such as www.example.com, to machine readable IP…

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…

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…

PSIRT Expertise and Capabilities Development

This study focuses on the Sectoral CSIRT and PSIRT capabilities status and development within the Energy and Health sectors as specified within the NIS directive. A desk research has been conducted, followed by a survey which was answered by 7…

Recommendations for the security of CAM

The aim of this report is to provide a high-level overview of the cybersecurity challenges in the CAM sector and to highlight both the concerned CAM actors and associated recommendations. Cybersecurity in the CAM ecosystem is partially standardised…

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…