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…

All publications

Publish Date

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…

NIS Investments 2022

This report marks the third iteration of ENISA's NIS Investments report, which collects data on how Operators of Essential Services (OES) and Digital Service Providers (DSP) identified in the European Union’s directive on security of network and…

Trust Services Security Incidents 2021

This report provides an aggregated overview of the notified breaches for 2021, analysing root causes, statistics and trends. It marks the sixth round of security incident reporting for the EU’s trust services sector. In this round of annual summary…

Telecom Security Incidents 2021

This report provides anonymised and aggregated information about major telecom security incidents in 2021. The 2021 annual summary contains reports of 168 incidents submitted by national authorities from 26 EU Member States (MS) and 2 EFTA countries.

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…

NIS Investments Report 2021

Following the 2020 NIS Investment publication, this report covers all 27 EU Member States and offering additional insights into the allocation of NIS budgets of OES/DSP, the economic impact of cybersecurity incidents and the organisation of…