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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Good Practices for Supply Chain Cybersecurity

The report provides an overview of the current supply chain cybersecurity practices followed by essential and important entities in the EU, based on the results of a 2022 ENISA study which focused on investments of cybersecurity budgets among…

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…

Interoperable EU Risk Management Toolbox

This document presents the EU RM toolbox, a solution proposed by ENISA to address interoperability concerns related to the use of information security RM methods. The toolbox aims to facilitate the smooth integration of various RM methods in an…

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.

Cyber Threats Outreach In Telecom

In this paper, we aim to give guidance to national Authorities and providers of electronic communications networks and services regarding how to strike the right balance and carry out efficient and effective outreach to users about cyber threats.

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…

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…

Good practices on interdependencies between OES and DSPs

This study is concerned with dependencies and interdependencies among Operators of Essential Services (OES) and Digital Service Providers (DSPs) as defined in the NIS Directive and addresses emerging dependencies and interdependencies across sectors…

Guidelines on assessing DSP security and OES compliance with the NISD security requirements

This report presents the steps of an information security audit process for the OES compliance, as well as of a self-assessment/ management framework for the DSP security against the security requirements set by the NIS Directive. In addition, it…