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…

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Cooperation between CSIRTs and Law Enforcement: interaction with the Judiciary

This report aims to support the cooperation between CSIRTs and Law Enforcement, as well as their interaction with the judiciary in their fight against cybercrime, by providing information on the legal, organisational, technical and cultural…

Cyber Europe 2018 - After Action Report

ENISA has compiled all the information gathered during the exercise and produced an after-action report, identifying challenges and main takeaways, and making useful recommendations for the participants.

Analysis of the European R&D priorities in cybersecurity

The present document provides a series of recommendations for the priorities in the EU for R&D in the domain of ICT security made after analysis of a wide series of interviews with domain experts.
The proposed research priorities have the…

Economics of Vulnerability Disclosure

Vulnerability disclosure refers to the process of identifying, reporting and patching weaknesses of software, hardware or services that can be exploited. The different actors within a vulnerability disclosure process are subject to a range of…

Assessment of Standards related to eIDAS

In this report, ENISA presents aspects of QSCD certification and QTSP supervision to identify the way to combine respective elements therein, in line with the eIDAS requirements. In this context, this report seeks to support standards CEN EN 419…

Guideline on assessing security measures in the context of Article 3(3) of the Open Internet regulation

This guideline regards the security exceptions in the EU net neutrality rules. It offers a checklist and an evaluation form to help NRAs in deciding whether or not a provider is allowed to take a security measure, for example blocking certain…

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…

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…

Good Practices for Security of Internet of Things in the context of Smart Manufacturing

This ENISA study aims at addressing the security and privacy challenges related to the evolution of industrial systems and services precipitated by the introduction of IoT innovations. The main objectives were to collect good practices to ensure…

Annual Report Trust Services Security Incidents 2017

The Annual report Trust Services security incidents 2017 marks the 1st full year of annual reporting about significant security incidents in the EU's trust services sector. The legal framework for this incident reporting process is Article 19 of…