Site Owner

Responsible for this site is:

DFN-CERT Services GmbH
Nagelsweg 41
D-20097 Hamburg
Telephone: +49 40 / 80 80 77-555
Facsimile: +49 40 / 80 80 77-556


Registered in Germany, AG Hamburg (HRB 88805), VAT Identification No.: DE 232129737, represented by Dr. Klaus-Peter Kossakowski.

Several remarks regarding legal aspects and appropriate use are necessary.


Any misuse of this web server or it's documents and other materials is strictly prohibited.


The documents and other materials on this site are provided 'as is' without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement.

Use of the documents and other material available from this site is at the user's sole risk. All users expressly agree to this condition of use.

If you notice any failure or mistake please send a message to us by electronic mail. We will try to resolve such issues as soon as possible.


All documents and other material on this web server are protected by German and foreign laws. If you wish to use DFN-CERT Services intellectual property, you must obtain written permission from DFN-CERT Services GmbH.


DFN-CERT and the DFN-CERT logo are registered trademarks of DFN-CERT Services GmbH.

All trademarks, service marks, etc. or products are the property of their respective owners. They are hereby acknowledged, however they may not be marked as such.