Privacy policy of the STF Group

We, the STF Group, take the protection of the personal data made available to us very seriously. The special consideration of privacy in the processing of this data is an important concern to us.

The EU-DSGVO and the new BDSG impose a number of sensible obligations on us in order to ensure the protection of your data during processing. We are happy to fulfil these obligations.

In the following we explain which data we process from you for which purposes and which rights you have in this regard.

Responsible for the data collection on this website is the website operator, whose contact data you can find in the imprint of the website.


Notes on the use of our homepage

Use of this website by children. This website is not intended for use by persons under the age of 18. If you are under the age of 18, you may not register or use this website.


What information is collected when you visit our website?

On the one hand, we collect your data which you communicate to us, e.g. by sending us your data via the contact form.

On the other hand, we collect your data when you visit our site through our IT systems. This is primarily technical data, such as your Internet browser, operating system or the time of the page call).


What do we use your data for?

Part of the data is collected to ensure that the website is error-free. Other data can be sent to analyse your user behaviour.


What rights do you have with regard to your personal data?

You have the right at any time to receive free information about the origin, recipient and purpose of your stored data. You also have the right to demand the correction, blocking or deletion of this data. Please contact for this purpose. You also have the right to appeal to the competent supervisory authority for data protection.


Rights of the persons concerned

You may at any time obtain from STF information as to which personal data STF processes about you (pursuant to Article 15 DSGVO) and request the correction (pursuant to Article 16 DSGVO) or deletion (pursuant to Article 17 DSGVO) of such personal data. The restrictions according to §§ 34 and 35 BDSG apply to the right of access and the right of deletion. Please note, however, that the STF can only delete your personal data if there is no legal obligation to store them or if the STF has no primary right to store them.

If the STF uses your personal data on the basis of your consent or to implement a contract with you, you can also request a copy of the personal data you have provided to the STF from the STF. Please send your request to the e-mail address below, specifying the information or processing activity to which your request relates, the format in which you would like this information to be sent, and whether the personal data should be sent to you or to another recipient. The STF will carefully examine your request and clarify with you how it can best be fulfilled.

You may also request STF to restrict the further processing of your personal data in the following cases:

  • If you claim that the personal data about you held by the STF is false (but only for as long as it takes the STF to verify the accuracy of that personal data),
  • If there is no legal basis for the processing of your personal data by the STF and you request that your personal data no longer be further processed by the STF,
  • If STF no longer needs your personal data, but you claim that STF must retain this data so that you can assert or exercise legal claims or defend against claims by third parties, or
  • If you object to the processing of your personal data by the STF (based on the legitimate interest of the STF as described in Section B below), as long as the examination of a overriding interest of the STF in the processing of your personal data or a statutory retention obligation requires.

Please address all enquiries under this section to .


Right of appeal (pursuant to Article 77 DSGVO in conjunction with § 19 BDSG)

If you believe that STF is not processing your personal data in accordance with the requirements described herein or with data protection laws applicable in the EEA, you may at any time file a complaint with the data protection authority in which you reside or with the data protection authority of the country or state in which STF has its registered office. A list of the supervisory authorities can be found here:


Data protection officer

Nicole Schubert Wierlings Esch 14 48249 Dülmen

The above-mentioned office is responsible for data protection.


Use of cookies (basis: need-based design of the website in accordance with Art. 6 Para. 1 Letter f DSGVO)

We use cookies – small files with configuration information. They help to determine user-specific settings and to implement special user functions. We do not collect any personal data via cookies. You can set your browser so that you are informed about the setting of cookies and only allow cookies in individual cases, accept cookies for certain cases or generally exclude them and activate the automatic deletion of cookies when closing the browser. If cookies are deactivated, the functionality of this website may be restricted.


Server log files (basis: processing of data to fulfil a contract or pre-contractual measures pursuant to Article 6 para. 1 letter b DSGVO)

The provider of these pages automatically collects and stores data in so-called server log files, which your browser automatically transmits to us. These are:

  • Browser type and browser version
  • Operating system used
  • Host name of the accessing computer and time of the request
  • IP address
  • Referrer URL


Contact form (basis: granting of consent in accordance with Article 6 para. 1 letter a DSGVO)

If you send us your personal data (contact data) via our contact form, your details from the enquiry form including the contact data provided by you there will be stored by us for the purpose of processing the enquiry. These data will not be passed on without your consent. You can revoke your consent at any time. To do this, simply send an informal e-mail to . The legality of the data processing operations carried out until the revocation remains unaffected by the revocation.

The data entered by you in the contact form will remain with us until you request deletion, revoke your consent to storage or the purpose for data storage no longer applies (e.g. after your request has been processed). Mandatory legal provisions – in particular retention periods – remain unaffected.


Conversion measurement using Facebook’s visitor action pixel (basis: needs-based design of the website in accordance with Art. 6 Para. 1 Letter f DSGVO)

Our website uses the visitor action pixel of Facebook Inc., 1601 S. California Ave, Palo Alto, CA 94304, USA for conversion measurement. This enables us to track the behavior of page visitors after they have been redirected to the provider’s website by clicking on a Facebook ad. This allows the effectiveness of Facebook advertisements to be evaluated for statistical and market research purposes and to optimize future advertising efforts. The data collected is anonymous to us as the operator of this website and we cannot draw any conclusions about the identity of the users. However, the data is stored and processed by Facebook so that a connection to the respective user profile is possible and Facebook can use the data for its own advertising purposes in accordance with the Facebook data usage guidelines. This may allow Facebook to serve advertisements on Facebook pages and outside Facebook. This use of data cannot be influenced by us as the site operator. See Facebook’s Privacy Notice for more information about protecting your privacy: If you are a Facebook member, you can also use the remarketing feature “Custom Audiences” in the Advertisement Settings section of If you do not have a Facebook account, you can disable Facebook’s usage-based advertising on the European Interactive Digital Advertising Alliance website:


Albacross usage

For a better customer approach and identification we use Albacross, a Software as a Service provider from Sweden (Kunsgatan 26, 111 35 Stockholm) for the evaluation of website access. With your consent, you consent to the processing of personal data on behalf of Albacross Nordic AB (“Albacross”). Data and information contained in the cookies stored on your terminal equipment and considered personal data are processed by Albacross Nordic AB.  Albacross Nordic AG offers lead identification and generation as well as the placement of advertisements on websites. The purpose of the processing of personal data is to enable Albacross to incorporate data into its database of companies. The data that Albacross collects and uses for this purpose is information about the IP address from which you visited our website and technical information that enables Albacross to distinguish different visitors from the same IP address. Albacross stores the domain from the form input to correlate the IP address with your employer.

For more information about the processing of personal data, please see the Albacross Privacy Policy ( You can revoke your consent to this processing at any time. You can withdraw your consent either by contacting us at or by contacting Albacross Nordic AB, Kunsgatan 26, 111 35 Stockholm, Sweden,, +46 70-839 35 71.

SSL encryption: If you transmit your data to us via our homepage, the transmission will take place via SSL encryption.

XING Plugin

Our website uses functions of XING AG, Dammtorstraße 29-32, 20354 Hamburg, Germany.

Each time you access one of our pages that contains XING functions, a connection is established to XING servers. To the best of our knowledge, personal data is not stored. In particular, no IP addresses are stored or the usage behavior evaluated.

Further information on data protection and the XING Share button can be found in XING’s Privacy Policy at:


Google Analytics (basis: needs-based design of the website in accordance with Art. 6 Para. 1 Letter f DSGVO)

Google Analytics

This website uses Google Analytics, a web analytics service provided by Google Inc. (“Google”). Google Analytics uses “cookies”, which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of the website will generally be transmitted to and stored by Google on servers in the United States.

IP Anonymization

We have activated the IP anonymization function on this website. This will cause Google to shorten your IP address within member states of the European Union or other signatory states to the Agreement on the European Economic Area before it is transmitted to the United States. Only in exceptional cases is the full IP address transmitted to a Google server in the USA and shortened there. On behalf of the operator of this website, Google will use this information to evaluate your use of the website, to compile reports on website activity and to provide other services relating to website activity and internet usage to the website operator. The IP address transmitted by your browser as part of Google Analytics is not combined with other data from Google.

Browser Plugin

You may refuse the use of cookies by selecting the appropriate settings on your browser, however please note that if you do this you may not be able to use the full functionality of this website. You can also prevent Google from collecting the data generated by the cookie and related to your use of the website (including your IP address) and Google from processing this data by downloading and installing the browser plug-in available under the following link: Third party information: Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland, email:

Terms of Use:, and Privacy Policy:

Demographic characteristics of Google Analytics

This website uses the function “demographic features” of Google Analytics. This allows reports to be generated that contain information about the age, gender and interests of site visitors. This data comes from interest-related advertising by Google and visitor data from third parties. This information cannot be associated with any specific individual. You can deactivate this function at any time via the ad settings in your Google Account or generally prohibit Google Analytics from collecting your data as described under “Objection to data collection”.

Google Web Fonts (basis: needs-based design of the website, legitimate interest according to Art. 6 Para. 1 Letter f DSGVO)

Our website uses the so-called web fonts provided by Google for the uniform display of fonts. When you access a page, your browser loads the web fonts you need into its browser cache to display text and fonts correctly. For this purpose, the browser you are using must connect to Google’s servers. This enables Google to know that your IP address has been used to access our website. The use of Google Web Fonts is in the interest of a uniform and appealing presentation of our online services. If your browser does not support web fonts, a standard font will be used by your computer.

You can find more information about Google Web Fonts at and in Google’s privacy policy:


Links to other websites

This website may contain links to external websites (i.e. websites of companies not belonging to the STF Group). STF is not responsible for the privacy practices or the content of websites outside the STF Group. For this reason, we recommend that you read the privacy statements of these third-party websites carefully.


SSL or TLS encryption

Our website uses SSL or TLS encryption for security reasons and to protect the transmission of confidential content, such as a request via the contact form that you send to us as the site operator. You can recognize an encrypted connection by the fact that the address line of the browser changes from “http://” to “https://” and by the lock symbol in your browser line. If SSL or TLS encryption is activated, the data you transmit to us cannot be read by third parties.


Security note

We make every effort to store your personal data in such a way that it is inaccessible to third parties by using all technical and organisational means at our disposal. When communicating by e-mail, we cannot guarantee complete data security, so we recommend that you send confidential information by post.

Status: January 2019