Publications

Featured publications

NIS Investments 2025

The annual NIS Investments report presents the findings of a study conducted by ENISA to explore how cybersecurity policy translates in practice across organisations in the EU and its effects on their investments, resources, and operations.

ENISA Threat Landscape 2025

Through a more threat-centric approach and further contextual analysis, this latest edition of the ENISA Threat Landscape analyses 4875 incidents over a period spanning from 1 July 2024 to 30 June 2025. At its core, this report provides an…

NIS2 Technical Implementation Guidance

This report provides technical guidance to support the implementation of the NIS2 Directive for several types of entities in the NIS2 digital infrastructure, ICT service management and digital providers sectors. The cybersecurity requirements for…

All publications

Publish Date

Secure Group Communications for incident response and operational communities

With a number of cybersecurity incidents and an attack surface that increase every day, spanning from large infrastructures to the end users, there is the need to improve operational cooperation, preparedness and information exchange by promoting…

Annual Report Telecom Security Incidents 2018

This is the 8th time ENISA publishes an annual incident report for the telecom sector. In 2018, half of the total user hours lost (482 million user hours) were due to natural phenomena. It is the first year that natural phenomena are the main…

EUELEx19_AAR

On April 5th, the European Parliament, the European Commission and the EU Agency for cybersecurity (ENISA) in close cooperation with the EU Member States organised an exercise to test the EU's response to and crisis plans for potential…

ENISA CSIRT maturity assessment model

This is the updated version of the "Challenges for National CSIRTs in Europe in 2016: Study on CSIRT Maturity" published by ENISA in 2017. The study takes all relevant information sources into account, with a special emphasis on the NIS…

ENISA Maturity Evaluation Methodology for CSIRTs

This is the updated version of the "Study on CSIRT Maturity – Evaluation Process" published by ENISA in 2017. The new version (v.2) reflects values that are consistent with other documents and studies on CSIRT maturity.

Guidance and gaps analysis for European standardisation

This study aims to a) explore how the standards-developing world is responding to the fast-changing, demanding realm of privacy by mapping existing available standards and initiatives in the area and b) provide insights on the “state-of-the-art”…

Study on CSIRT landscape and IR capabilities in Europe 2025

The objective of this study is to help ENISA identify and draw conclusions about the recent and current evolution of CSIRTs and IR capabilities in Europe towards 2025. Building on the existing knowledge gathered in the European CSIRT inventory,…

ECSC 2018 Analysis Report

The 5th Edition of the European Cyber Security Challenge, ECSC2018 was hosted in London during 14th to 17th October. The event was organised by the Cyber Security Challenge UK at the Tobacco Dock, an iconic grade one listed building which has a…

ENISA Threat Landscape Report 2018

2018 was a year that has brought significant changes in the cyberthreat landscape. Those changes had as source discrete developments in motives and tactics of the most important threat agent groups, namely cyber-criminals and state-sponsored…

State of Vulnerabilities 2018/2019 - Analysis of Events in the life of Vulnerabilities

The purpose of this report is to provide an insight on both the opportunities and limitations the vulnerability ecosystem offers. By using the vulnerabilities published during the year of 2018 and Q1-Q2 of 2019 as a vehicle, this report goes…