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

Report on Annual Privacy Forum 2012

The first Annual Privacy Forum1 (APF’12) was held in Limassol, Cyprus from 10–11 October 2012.
The Forum was co-organised by the European Network and Information Security Agency (ENISA)2
and the European Commission Directorate General for…

Introduction to Return on Security Investment

As for any organization, CERTs need to measure their cost-effectiveness, to justify their budget usage and provide supportive arguments for their next budget claim. But organizations often have difficulties to accurately measure the effectiveness…

Collaborative Solutions For Network Information Security in Education

This report, ‘Collaborative Solutions For Network Information Security in Education’, is a continuation of the work undertaken in 2011 which resulted in the publication of the report ‘Network Information Security in Education: Consolidated ENISA…

Roadmap to provide more proactive and efficient CERT training

The roadmap identifies 10 proposals on how ENISA could improve CERT training and exercises in Europe. The ideas in the document are valuable, as they reflect the actual community needs and requirements and there could be mutual benefit from both…

EU Cyber Cooperation-The Digital Frontline

We all share a common interest in guaranteeing a free, safe and sound life in cyberspace. ENISA
firmly believes EU cyber cooperation is crucial to establishing a proficient and coherent approach
to Network and Information Security (NIS).…

Involving Intermediaries in Cyber-security Awareness Raising

This document summarises the work carried out to involve intermediaries in cyber-security awareness raising by the European Commission and the European Network and Information Security Agency in cooperation with the United States Department of…

Good Practice Guide for Addressing Network and Information Security Aspects of Cybercrime

In 2010 ENISA started its support for operational collaboration between the Computer Emergency Response Teams (CERTs) in the Member States on the one hand and Law Enforcing Agencies (LEA) on the other hand. Various activities have since been…

Proactive detection of security incidents II - Honeypots

An increasing number of complex attacks demand improved early warning detection capabilities for CERTs. By having threat intelligence collected without any impact on production infrastructure, CERTs can better defend their constituencies assets.…

The right to be forgotten - between expectations and practice

The right to be forgotten is included in the proposed regulation on data protection published by the European Commission in January 2012. The regulation is still to be adopted by the European Parliament for entering into force. The different…

Privacy considerations of online behavioural tracking

Internet users are being increasingly tracked and profiled and their personal data are extensively used as currency in exchange for services. It is important that this new reality is better understood by all stakeholders if we are to be able to…