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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ENISA good practices for security of Smart Cars

This report defines good practices for security of smart cars, namely connected and (semi-) autonomous vehicles, providing added-value features in order to enhance car users’ experience and improve car safety. Taking stock of all existing…

ENISA threat landscape for 5G Networks

This report draws an initial threat landscape and presents an overview of the challenges in the security of 5G networks. Its added value lays with the creation of a comprehensive 5G architecture, the identification of important assets (asset…

Good Practices for Security of IoT - Secure Software Development Lifecycle

This ENISA study introduces good practices for IoT security, with a particular focus on software development guidelines for secure IoT products and services throughout their lifetime. Establishing secure development guidelines across the IoT…

Assessment of ETSI TS 119 403-3 related to eIDAS

This document assesses the eligibility of [ETSI TS 119 403-3], and the standards it builds upon, to be referenced in an implementing act adopted pursuant to Art.20(4) of the eIDAS Regulation. The findings suggest that if certain revisions take…

Stock taking of security requirements set by different legal frameworks on OES and DSPs

In order to support organisations in their process of identifying appropriate security measures, based on the provisions of both NISD and GDPR, this report uses as basis the pre-existing ENISA guidance and presents a mapping of already identified…

Trust Services Security Incidents 2018 - Annual report

The annual report on Trust Services Security Incidents 2018 gives an aggregated overview of security breaches, showing root causes, statistics and trends. It marks the third round of security incident reporting for the EU’s trust services sector…

Industry 4.0 - Cybersecurity Challenges and Recommendations

In this short paper ENISA provides identifies the main challenges to the adoption of the security measures and security of Industry 4.0 and Industrial IoT. Moreover, ENISA lists high-level recommendations to different stakeholder groups in order…

7 Steps to shore up the Border Gateway Protocol (BGP)

In this paper ENISA highlights the security vulnerabilities of BGP and explains why it is so important to address them. Working closely with experts from industry ENISA derived a shortlist of 7 basic BGP security measures which are industry good…

Challenges and opportunities for EU cybersecurity start-ups

Based on extensive analysis of the identified challenges and opportunities, as well as on feedback collected from a panel of experts, this report proposes a set of recommendations to start-ups and SMEs active in the NIS market.

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…