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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Looking into the crystal ball: A report on emerging technologies and security challenges

The time has come for ENISA to take a look at the crystal ball of technology; In particular looking at what are considered to be emerging technologies and what might be their prospective usage scenarios. Considering emerging technologies and…

Privacy and data protection in mobile applications

The scope of the report is to provide a meta-study on privacy and data protection in mobile apps by analysing the features of the app development environment that impact privacy and security, as well as defining relevant best-practices, open…

Handbook on Security of Personal Data Processing

The overall scope of the report is to provide practical demonstrations and interpretation of the methodological steps of the ENISA’s 2016 guidelines for SMEs on the security of personal data processing. This is performed through specific use…

Reference Incident Classification Taxonomy

This taxonomy resulted from collaboration initiatives such as the annual ENISA/EC3 Workshop which involved CSIRTs, LEAs, ENISA, and EC3. Other examples include the eCSIRT.net taxonomy2 which was developed in 2003, and the eCSIRT.net mkVI…

Mapping of OES Security Requirements to Specific Sectors

The current report provides a substantial and comprehensive mapping of the security requirements for OES, as they have been agreed in the NISD Cooperation Group, to sector specific information security standards. ENISA conducted desktop research…

Online Tracking and User Protection Mechanisms

ENISA decided to provide a study on online tracking and relevant user protection mechanisms, paying particular attention to user consent, privacy settings and the implementation of the Do-Not-Track (DNT) standard.

Overview of the practices of ICT Certification Laboratories in Europe

This study seeks to identify and analyse the current landscape of ICT security certification laboratories in EU Member States, comparing them also with third countries practices. The findings of this study will constitute the basis for the Agency…

eIDAS: Overview on the implementation and uptake of Trust Services

In the context of the eIDAS Regulation, ENISA conducted a study to present an overview of the implementation and uptake of Trust Services defined in the eIDAS Regulation one year after adoption to the new regime, and analyse the new opportunities…

ENISA Threat Landscape Report 2017

2017 was the year in which incidents in the cyberthreat landscape have led to the definitive recognition of some omnipresent facts. We have gained unwavering evidence regarding monetization methods, attacks to democracies, cyber-war,…

Maturity Reference for CSIRTs – Executive Summary

The target audience for this study is primarily the middle management layer in the CSIRTs, responsible for increasing the team’s maturity. The study will help them to more easily and quickly implement real maturity improvement, following self-…