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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Demand Side of Cyber Insurance in the EU

The report analyses current perspectives and challenges of Operator of Essential Services (OESs) related to the acquirement of cyber insurance services. Information and statistics are presented according to the selection, acquisition and use of…

Sustained Activity by Threat Actors- Joint Publication

ENISA, the EU Agency for Cybersecurity, and CERT-EU, the Computer Emergency Response Team of all the EU institutions, bodies and agencies (EUIBAs), have issued a joint publication to alert on sustained activity by particular threat actors. Malicious…

Aspects of Cooperation between CSIRTs and LE - Handbook 2021

This training material is an updated version of the training material Aspects of Cooperation between CSIRT and LE - Handbook, Document for trainers3, that was developed based particularly on the ENISA 2020 Report on CSIRT-LE Cooperation.

Aspects of Cooperation between CSIRTs and LE - Toolset 2021

This training material is an updated version of the ENISA training material Aspects of Cooperation between CSIRT and LE - Toolset, Document for trainees3, that was developed based particularly on the ENISA 2020 Report on CSIRT-LE Cooperation.

2021 Report on CSIRT-Law Enforcement Cooperation

The purpose of this report is to further explore and support the cooperation between computer security incident response teams (CSIRTs), in particular national and governmental CSIRTs, and Law enforcement agencies (LEAs) and their interactions with…

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…

ENISA CSIRT Maturity Framework - Updated and improved

This document presents the updated and improved version of ENISA’s Computer Security Incident Response Teams (CSIRT) Maturity Framework that is intended to contribute to the enhancement of the capacity to manage cyber incidents, with a focus on…

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…

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…