Publications

Featured publications

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…

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…

All publications

Publish Date

Report on Cyber Crisis Cooperation and Management

This is a comparative study on the cyber crisis management and the general crisis management. The purpose of the study is twofold: to compare the concepts from general crisis management systems with the corresponding systems related to cyber crisis…

Roadmap for NIS education programmes in Europe

This document continues work from previous activities by suggesting training materials, scenarios and a way forward for implementing the EC roadmap for NIS education in Europe. In doing so, the Agency has recognised the heterogeneous landscape of…

Public Private Partnerships in Network and Information Security Education

This report focuses on the brokerage of best practices between the public and private sectors aimed at all members of the Network and Information Security Education community in Europe. ENISA is committed to taking the lead in encouraging the…

Flash Note: The BASH Shellshock Bug

Last week a serious, remotely exploitable vulnerability was discovered in the widely deployed Bourne Again Shell (BASH). The technical background is analysed by ENISA in a new flash note.

Annual Incident Reports 2013

The Annual Incidents report 2013 provides an aggregated analysis of the security incidents in 2013 which caused severe outages. Most incidents reported to regulators and ENISA involved mobile internet and mobile telephony connections.

Flash Note: Heartbleed - A wake-up call

Last week the entire web discovered the existence of the so called “Heartbleed” vulnerability affecting one of the most popular mechanisms used to secure communication with web sites: OpenSSL. The underlying problem is a programming error with…

Flash Note: Large scale UDP attacks - the 2014 trend and how to face it

Recent news show the increase of large scale attacks exploiting specific vulnerabilities of the Internet core protocols. In the latest cases, the Network Time Protocol (NTP), which allows synchronizing devices to the coordinated universal time (UTC…

Brokerage model for Network and Information Security in Education

By publishing the Brokerage model for Network & Information Security (NIS) in Education report, we aim to provide content and promote digital education on network and information security at all levels. The target group is composed of educators…

Flash note: Risks of using discontinued software

ENISA warns about the risks of using discontinued software, not only because of the lack of support from the manufacturer, but also from third parties, like manufacturers of anti-malware or other kind of software, or computer peripherals. This will…

Recommendations for a methodology of the assessment of severity of personal data breaches

The European Union Agency for Network and Information Security (ENISA) reviewed the existing measures and the procedures in EU Member States with regard to personal data breaches and published in 2011 a study on the technical implementation of the…