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Trust Services & Digital Wallets: Moving to the Cloud and Remote Identity Proofing

In order to address the cybersecurity questions of remote identity proofing, the European Union Agency for Cybersecurity (ENISA) organised a workshop to support the area of Trust Services and Digital Wallets and published a report on moving trust services to the cloud.

Published on June 12, 2023

Report on Trust Services: Secure Move to the Cloud of the eIDAS ecosystem

For the purpose of the report, ENISA conducted a survey with more than 120 stakeholders from over 29 countries in the EU and globally. The survey allowed to get an insight of practical experiences of Trust Service Providers, Conformity Assessment Bodies, Supervisory Bodies and Cloud Service Providers regarding the transition of trust services to the cloud.

Moving trust services to the cloud must be understood as an ongoing process that has to be followed step by step. While some services – such as the validation of signatures, registered delivery, time stamp or signature preservation – are moved rather quickly, other services – such as the issuance of certificates and remote control over the signing device – require in-depth analysis and preparation. The transition of data to the cloud has to be secure at all times and, in the best case, must remain in the data centre of the trust services provider.

This report has given a detailed overview of the issues to be addressed for such a transition, including the related challenges, impediments and opportunities.

Workshop on Remote Video Identification: Attacks and Foresight

The workshop was the occasion for ENISA to publish its report exploring the secure move to the cloud of the eIDAS ecosystem. In cooperation with the European Competent Authorities for Trust Services (ECATS) expert group, ENISA organised a workshop on 10 May 2023 in Amsterdam, Netherlands. The purpose of the workshop was to explore and discuss the latest national implementations, existing and emerging attacks, and the security measures envisaged for the protection of remote identity proofing across the EU.

Over 100 participants attended the workshop and included representatives from Supervisory Bodies, Identity and trust service providers, conformity assessment bodies, standardisation bodies and research community.

The workshop addressed the following main challenges:

  • lack of EU legislation harmonisation;
  • how to keep up with technological advancements connected to AI;
  • the testing and performance measuring landscape;
  • how to continuously follow the supply chain of products and services.

Access the workshop’s summary and presentations here

Meeting of the European Competent Authorities for Trust Services (ECATS) Expert Group

The Dutch Supervisory Authority hosted the 21st meeting of the ECATS on 11 and 12 May, back-to-back with the meeting of FESA (Forum of European Supervisory Authorities).

The group discussed latest developments in eIDAS2, the connection between the upcoming implementation of the NIS 2 and eIDAS2, as well as updates on standardisation and certification in relation to trust services.

The ECATS EG is the informal group focusing to facilitates voluntary and informal collaboration between competent authority experts from EU Member States, European Economic Area (EEA) and European Free Trade Association (EFTA) States, EU Candidate countries and other relevant stakeholders to ensure smooth and secure functioning of trust services.

Save the date for the next Trust Services and eID Forum

The Trust Services Forum will be renamed Trust Services and eID Forum and its 9th edition will take place on 11 -12 October 2023 in Vienna, Austria back-to-back with the 15th Certificate Authority (CA) Day.

Further Information

Trust Services-Secure move to the cloud of the eIDAS ecosystem - ENISA report 2023

ENISA topic on Trust Service

ENISA topic on Incident Reporting

Remote ID Proofing — ENISA (

Security Framework for Qualified Trust Service Providers – ENISA report 2021

The electronic identification and trust services for electronic transactions in the internal market Directive (eIDAS regulation)


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