Publications

Featured publications

ENISA NIS360

This edition of the ENISA NIS360 report is the third to assess the cybersecurity maturity and criticality of all sectors of high criticality as identified under Annex I of the NIS2 directive. The assessment covers the entire ecosystem of a sector…

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.

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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The European Cyber Security Challenge: Lessons Learned report

The ECSC is an initiative of multiple European countries supported by the European Union Agency for Network and Information Security (ENISA) that aims at engaging cybersecurity talent across Europe and connecting high potentials.
This report…

Conformity assessment of Trust Service Providers - Technical guidelines on trust services

Through this document, ENISA is supporting both Trust Service Providers and Conformity Assessment
Bodies in the audit activities by presenting the auditing framework. It aims at helping Trust Service
Providers fulfil the requirements…

Guidelines on Initiation of Qualified Trust Services - Technical guidelines on trust services

This document is one deliverable out of a series whose objective is to propose guidelines aimed at facilitating the implementation of the provisions related to trust services of the eIDAS Regulation in the area of qualified trust services. It…

Security framework for Trust Service Providers - Technical guidelines on trust services

Article 19, which is the main focus of this document, of the eIDAS Regulation, states that Trust Service Providers have to demonstrate due diligence, in relation to the identification of risks and adoption of appropriate security practices, and…

Recommendations for QTSPs based on Standards - Technical guidelines on trust services

Following the publication of the eIDAS Regulation, a set of secondary and co-regulatory acts had to be published in order to provide technical guidance on how to implement the specific requirements of the eIDAS Regulation (in the TSP part of…

Guidelines on Supervision of Qualified Trust Services - Technical guidelines on trust services

This document is one deliverable out of a series whose objective is to propose guidelines aimed at facilitating the implementation of the provisions related to trust services of the eIDAS Regulation in the area of qualified trust services. It…

Guidelines on Termination of Qualified Trust Services

This document proposes guidelines to SB and (Q)TSP aimed at facilitating the implementation of the provisions related to trust services of the eIDAS Regulation in the area of termination of trust services. Termination of QTS is addressed here in…

Tools and Methodologies to Support Cooperation between CSIRTs and Law Enforcement

This report aims to support the cooperation between CSIRTs - in particular national/governmental CSIRTs - and LEAs in their fight against cybercrime, by providing information on the framework and on the technical aspects of the cooperation,…

Improving Cooperation between CSIRTs and Law Enforcement: Legal and Organisational Aspects

This report aims to support the cooperation between CSIRTs - in particular national/governmental CSIRTs - and LEAs in their fight against cybercrime, by providing information on the legal and organisational aspects, identifying current…

Stock taking of information security training needs in critical sectors

The primary objective of this project is to provide a mapping of ENISA’s training program and a strategy to adapt it in the light of the recently adopted EU NIS Directive, catering for the needs of the identified critical sectors.