CERT.at is the national Austrian Computer Emergency Response Team (CERT). CERT.at is the point of contact for IT Security within the national realm. CERT.at connects various CERTs and CSIRTs (Computer Security Incident Response Teams) in the areas of critical infrastructure and ICT (Information and Communication Technology). Furthermore, it issues warnings, alerts, and advisories. In cases of cyber-attacks on national level, CERT.at coordinates and informs the relevant network providers as well as local security teams.

CERT.at GmbH is a company of the Austrian Domain-Registry nic.at, a subsidiary of the Internet Stiftung.



Stopline is an Austrian report centre against child sexual abuse material and national socialism on the internet.

Users can – anonymously – report websites with illegal content.  Stopline employees analyze the content to establish whether it is illegal under Austrian law, working closely with providers and law enforcement authorities to remove illegal content from the internet.

Stopline was initiated in 1998 by ISPA, the association of Internet Service Provider Austria. It is part of INHOPE, the international network of internet report centers, and financed through funds of the EU program “Connecting Europe Facility (CEF)” and the Austrian Domain-Registry nic.at.


Internet Stiftung

The Internet Stiftung promotes the development of the internet in Austria and an unrestricted and orderly access to networks and services in compliance with international obligations. In particular, the Internet Stiftung is responsible for the administration of the .at domain.