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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Signalling Security in Telecom SS7/Diameter/5G

The present study has deep dived into a critical area within electronic communications, the security of interconnections in electronic communications (signalling security). Based on the analysis, at this moment there is a medium to high level of…

Exploring the opportunities and limitations of current Threat Intelligence Platforms

The main objective of this report is to understand the limitations of threat information sharing and the analysis tools that are currently in use. Moreover, the second objective is to provide the relevant recommendations so that these limitations…

A tool on Privacy Enhancing Technologies (PETs) knowledge management and maturity assessment

This report accompanies the second release of the PETs assessment tool and provides a brief overview of its main functionalities, as well as its challenges and proposed dissemination activities for further enhancement and adoption.

European Cybersecurity Month 2017 - Deployment Report

For the fifth consecutive year, last October the European Cyber Security Month (ECSM) campaign was successfully executed across Europe. The campaign was coordinated and supported by ENISA, the European Commission, Europol’s Cyber Crime Centre (…

Cyber Security Culture in organisations

To assist in promoting both the understanding and uptake of CSC programmes within organisations, this report draws from multiple disciplines, including organisational sciences, psychology, law and cybersecurity. It is complemented by knowledge…

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…