Historic list of certification-service-providers of December 31, 2007
Until December 31, 2007, the Austrian Signature Act also applied to certification service providers offering neither qualified certificates nor qualified time-stamping services. For information purposes, the historic list of certification service providers of December 31, 2007 is kept available here until further notice but it is no longer updated. RTR-GmbH is not necessarily aware whether certification service providers are still active or which additional certification service providers have started their activity in the meantime.
| A-Trust Gesellschaft für Sicherheitssysteme im elektronischen Datenverkehr GmbH | aktiv |
| Bundesamt für Eich- und Vermessungswesen | aktiv |
| A1 Telekom Austria AG (bis 30.09.2002: Datakom Austria GmbH) | Ausgabe qualifizierter Zertifikate eingestellt |
The following foreign providers have been registered by the Austrian supervisory authority after they applied for registration. Austria does not supervise these providers.
Please note that this list is not a secure directory of certification-service-providers as set forth in the Signature Act. For more information on the security level of these pages, please refer to our security information.





