Your concerns about data protection
If you have any questions regarding data protection, please write to the following address:
Contact details of the data protection officer

SecData GmbH
Am Zwinger 2-4
33602 Bielefeld, Germany
Tel.: +49 521 557519-333
Fax: +49 521 557519-16

in accordance with Art. 4 No. 7 GDPR

onoff Aktiengesellschaft
Niels-Bohr-Str. 6
31515 Wunstorf, Germany
Tel.: +49 5031 9686-0
Fax: +49 5031 9686-96
Represented by the Executive Board
Dr. Uwe Ganzer and Dipl.-Ing. Hartmut Dietrich


In accordance with the German Federal Data Protection Act and the Telemedia Act, this privacy policy is intended to inform the users of this website about the type, scope and purpose of the collection and use of personal data by the website operator onoff Aktiengesellschaft.

The website operator takes your data protection very seriously and treats your personal data confidentially and according to the legal regulations. Keep in mind that data transmission over the internet may involve gaps in security. Complete protection against access by third parties is not possible.

Access Data

The website operator or page provider collects data about access to the site and stores it as server log files. The following data is logged in this way:
Website visited
Time of access
Amount of data sent in bytes
Source/link from which you reached the site
Browser used
Operating system in use
IP address used
The data collected is only used for statistical analysis and to improve the website. However, the website operator reserves the right to subsequently check the server log files if there are concrete indications of illegal use. The server log files are deleted after 180 days.


This website uses cookies. Cookies are small text files which are stored on your end device. Your browser accesses these files. The use of cookies increases the user-friendliness and security of this website.

Common browsers offer the setting option not to allow cookies. Note: It is not guaranteed that you will be able to access all functions of this website without restrictions if you activate these settings.

Handling of Personal Data

The website operator collects, uses and shares your personal data only if this is permitted by law or if you consent to the collection of data.

Personal data includes all information that serves to identify your person and that can be traced back to you, such as your name, email address and telephone number.

Handling of Contact Information

If you contact the website operator through the contact options offered, your details will be stored so that they can be used to process and answer your request. This information will not be shared with third parties without your consent.

Handling of Comments and Contributions

If you leave a contribution or comment on this website, your IP address will be saved. This enhances the security of the website operator: If your text violates the law, the operator has an interest in being able to trace your identity.


You have the option of subscribing to the entire website and to follow-up comments to your contribution. You will receive an email to confirm your email address. Otherwise, no further data will be collected. The data stored will not be passed on to third parties. You may cancel a subscription at any time.

Rights of the User: Access, rectification and erasure

Upon request, you as a user will receive free information on what personal data about you has been stored. Provided that your request does not conflict with a legal obligation to retain data (e.g., data retention), you are entitled to have incorrect data rectified and to have your personal data blocked or erased. Please send your request to

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