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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Strategies for incident response and cyber crisis cooperation

This document was prepared for the NIS Platform WG2 members introducing the main functions of CSIRTs from incident handling to crisis coordination – a high-level summary of the basics of incident response based on ENISA’s previous work on CSIRTs…

Common practices of EU-level crisis management and applicability to the cyber crises

Despite a number of initiatives within the European Network and Information Security community to establish frameworks and standard operating procedures, the EU-level response to cyber incidents, and in particular these which lead to crisis…

Impact evaluation on the implementation of Article 13a incident reporting scheme within EU

As several years have passed since the publication and implementation of the Framework Directive 2009/140 including Art. 13a, an impact evaluation of the new article was necessary. The evaluation has the purpose of assessing the changes in…

NIS Directive and national CSIRTs

This is an informative note on what provisions of the upcoming NIS Directive might mean for CSIRTs. It contains references to parts of the Directive, and some comments and proposals from our side. By no means we consider this document fix or…

Good Practice Guide on Vulnerability Disclosure. From challenges to recommendations

Vulnerabilities are ‘flaws’ or ‘mistakes’ in computer-based systems that may be exploited to compromise the network and information security of affected systems. They provide a point-of-entry or gateway to exploit a system and as such pose…

Window of exposure… a real problem for SCADA systems?

Much of Europe’s critical infrastructure which resides in sectors such as energy, transportation,water supply is largely managed and controlled by SCADA (Supervisory Control and Data Acquisition) systems, a subgroup of Industrial Control Systems…

Good Practice Guide on Cooperatve Models for Effective PPPs

This Good Practice Guide on Cooperative Models for Effective Public Private Partnerships (PPPs) classifies PPPs for security and resilience and reveals the main five components addressing Why, Who, How, What and When questions associated with…

Who-is-Who Directory on NIS - Ed. 2010

The ENISA Who-is-Who Directory on Network and Information Security (NIS) contains information on NIS stakeholders (such as national and European authorities and NIS organisations), contact details, websites, and areas of responsabilities or…

Security Issues in Cross-border Electronic Authentication

Improving the interoperability of electronic identification and authentication systems is a European task and a task for all Member States. Considerable efforts have been made in several projects to face the challenges of pan-European…