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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Trusted e-ID infrastructures and services in EU

ENISA has conducted a survey about the security mechanisms used by TSPs (Trust Service Providers) in Europe, and their interoperability, under the scope of the proposed new Regulation on electronic identification and trust services for electronic…

CERT community - Recognition mechanisms and schemes

This document provides an overview of existing mechanisms supporting Computer Emergency Response Teams (CERTs) to deploy capabilities necessary for their operations and their maturity level. It introduces these mechanisms according to the CERT…

ENISA Threat Landscape 2013 - Overview of current and emerging cyber-threats

ENISA releases the 2013's ENISA Threat Landscape (ETL 2013). The ENISA Threat Landscape is a collection of top cyber-threats that have been assessed in the reporting period, ie. end 2012-end 2013.

ENISA has collected over 250 reports…

Good Practices for an EU ICS Testing Coordination Capability

There is growing interest in ICS security testing in Europe. This has led to the current situation in which several initiatives have emerged. Unfortunately, they are mostly considered immature, with poor or no coordination between them and room…

Securing personal data in the context of data retention

Data retention legislation has been adopted to address concerns related to national security and serious criminal activity. The legislation provides access to communication data for law enforcement purposes. However, according to the Data…

EISAS Deployment feasibility study

EISAS – European Information Sharing and Alerting – has proven to be a great opportunity to enhance collaboration and foster awareness-raising actions across Europe. ENISA helped design EISAS, but now EISAS has to run by itself.

The…

Incident Reporting for Cloud Computing

The proposed NIS Directive mentions cloud computing explicitly. This is not surprising. Cloud infrastructures play an increasingly important role in the digital society. A large part of the EU’s Digital Agenda is the European cloud strategy which…

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 for CERTs in the area of Industrial Control Systems - Computer Emergency Response Capabilities considerations for ICS

This document builds upon the current practice of CSIRTs with responsibilities for ICS networks, and also on the earlier work of ENISA on a baseline capabilities scheme for national/ governmental (n/g) CSIRTs. The document is an initial attempt…

A Good Practice Collection for CERTs on the Directive on attacks against information systems

This Good Practice Collection was produced at the initiative of ENISA in the context of its support activities to ensure the efficient functioning of CSIRTs and their cooperation with Law Enforcement Agencies (LEAs) in the face of a new…