Datenschutzerklärung
Last updated: November 17, 2025
1. Data Protection at a Glance
General Information
The following information provides a simple overview of what happens to your personal data when you visit this website. Personal data is any data by which you can be personally identified.
Data Collection on This Website
Who is responsible for data collection on this website?
Data processing on this website is carried out by the website operator. You can find the operator's contact details in the Impressum section of this website.
How do we collect your data?
Your data is collected on the one hand by you communicating it to us. This may, for example, be data that you enter into a contact form.
Other data is collected automatically or with your consent by our IT systems when you visit the website. This is primarily technical data (e.g., internet browser, operating system, or time of page access). This data is collected automatically as soon as you enter this website.
What do we use your data for?
Part of the data is collected to ensure error-free provision of the website. Other data may be used to analyze your user behavior.
What rights do you have regarding your data?
You have the right to receive information about the origin, recipient, and purpose of your stored personal data free of charge at any time. You also have the right to request the correction or deletion of this data. If you have given your consent to data processing, you can revoke this consent at any time for the future. You also have the right, under certain circumstances, to request the restriction of the processing of your personal data. Furthermore, you have the right to lodge a complaint with the competent supervisory authority.
You can contact us at any time regarding this and other questions on the subject of data protection.
2. Hosting
External Hosting
This website is hosted externally. The personal data collected on this website is stored on the servers of the host(s). This may include IP addresses, contact requests, meta and communication data, contract data, contact details, names, website accesses, and other data generated via a website.
External hosting is carried out for the purpose of fulfilling contracts with our potential and existing customers (Art. 6 para. 1 lit. b GDPR) and in the interest of secure, fast, and efficient provision of our online offering by a professional provider (Art. 6 para. 1 lit. f GDPR).
GitHub Pages
We use GitHub Pages as our hosting provider. The provider is GitHub Inc., 88 Colin P Kelly Jr St, San Francisco, CA 94107, USA (hereinafter "GitHub").
When you visit our website, GitHub collects, among other things, your IP address and other log data. For details, please refer to GitHub's privacy policy: https://docs.github.com/en/site-policy/privacy-policies/github-privacy-statement
The use of GitHub Pages is based on Art. 6 para. 1 lit. f GDPR. We have a legitimate interest in the most reliable presentation of our website possible. If appropriate consent has been requested, the processing is carried out exclusively on the basis of Art. 6 para. 1 lit. a GDPR; the consent can be revoked at any time.
3. General Information and Mandatory Information
Data Protection
The operators of these pages take the protection of your personal data very seriously. We treat your personal data confidentially and in accordance with the statutory data protection regulations and this privacy policy.
When you use this website, various personal data is collected. Personal data is data with which you can be personally identified. This privacy policy explains what data we collect and what we use it for. It also explains how and for what purpose this is done.
We would like to point out that data transmission over the Internet (e.g., when communicating by email) can have security gaps. Complete protection of data from access by third parties is not possible.
Notice Concerning the Responsible Party
The responsible party for data processing on this website is:
Stefan Lendl
Jurekgasse 25/30
1150 Wien
Austria
[email protected]
ATU81467636
The responsible party is the natural or legal person who alone or jointly with others determines the purposes and means of the processing of personal data (e.g., names, email addresses, etc.).
Storage Duration
Unless a more specific storage period has been stated within this privacy policy, your personal data will remain with us until the purpose for data processing no longer applies. If you assert a legitimate request for deletion or revoke consent for data processing, your data will be deleted unless we have other legally permissible reasons for storing your personal data (e.g., tax or commercial retention periods); in the latter case, the deletion will take place after these reasons no longer apply.
Revocation of Your Consent to Data Processing
Many data processing operations are only possible with your express consent. You can revoke consent you have already given at any time. The legality of the data processing carried out until the revocation remains unaffected by the revocation.
Right to Object to Data Collection in Special Cases and to Direct Advertising (Art. 21 GDPR)
IF DATA PROCESSING IS BASED ON ART. 6 PARA. 1 LIT. E OR F GDPR, YOU HAVE THE RIGHT TO OBJECT TO THE PROCESSING OF YOUR PERSONAL DATA AT ANY TIME FOR REASONS ARISING FROM YOUR PARTICULAR SITUATION; THIS ALSO APPLIES TO PROFILING BASED ON THESE PROVISIONS. THE RESPECTIVE LEGAL BASIS ON WHICH PROCESSING IS BASED CAN BE FOUND IN THIS PRIVACY POLICY. IF YOU OBJECT, WE WILL NO LONGER PROCESS YOUR AFFECTED PERSONAL DATA UNLESS WE CAN DEMONSTRATE COMPELLING LEGITIMATE GROUNDS FOR THE PROCESSING THAT OVERRIDE YOUR INTERESTS, RIGHTS AND FREEDOMS, OR THE PROCESSING SERVES THE ASSERTION, EXERCISE OR DEFENSE OF LEGAL CLAIMS (OBJECTION ACCORDING TO ART. 21 PARA. 1 GDPR).
IF YOUR PERSONAL DATA IS PROCESSED FOR DIRECT ADVERTISING PURPOSES, YOU HAVE THE RIGHT TO OBJECT AT ANY TIME TO THE PROCESSING OF PERSONAL DATA CONCERNING YOU FOR THE PURPOSE OF SUCH ADVERTISING; THIS ALSO APPLIES TO PROFILING INSOFAR AS IT IS CONNECTED WITH SUCH DIRECT ADVERTISING. IF YOU OBJECT, YOUR PERSONAL DATA WILL SUBSEQUENTLY NO LONGER BE USED FOR DIRECT ADVERTISING PURPOSES (OBJECTION ACCORDING TO ART. 21 PARA. 2 GDPR).
Right to Lodge a Complaint with the Competent Supervisory Authority
In the event of violations of the GDPR, data subjects have the right to lodge a complaint with a supervisory authority, in particular in the member state of their habitual residence, place of work, or place of the alleged violation. The right to lodge a complaint is without prejudice to other administrative or judicial remedies.
For Austria, the competent authority is:
Österreichische Datenschutzbehörde
Barichgasse 40-42
1030 Wien
Telephone: +43 1 52 152-0
Email: [email protected]
Website: https://www.dsb.gv.at/
Right to Data Portability
You have the right to have data that we process automatically on the basis of your consent or in fulfillment of a contract handed over to you or to a third party in a common, machine-readable format. If you request the direct transfer of the data to another responsible party, this will only be done to the extent that it is technically feasible.
Information, Deletion, and Correction
Within the framework of the applicable legal provisions, you have the right at any time to free information about your stored personal data, its origin and recipient, and the purpose of data processing and, if necessary, a right to correction or deletion of this data. You can contact us at any time regarding this and other questions on the subject of personal data.
Right to Restriction of Processing
You have the right to request the restriction of the processing of your personal data. You can contact us at any time for this purpose. The right to restriction of processing exists in the following cases:
- If you dispute the accuracy of your personal data stored by us, we usually need time to verify this. For the duration of the review, you have the right to request the restriction of the processing of your personal data.
- If the processing of your personal data happened/is happening unlawfully, you can request the restriction of data processing instead of deletion.
- If we no longer need your personal data, but you need it to exercise, defend, or assert legal claims, you have the right to request restriction of the processing of your personal data instead of deletion.
- If you have lodged an objection pursuant to Art. 21 para. 1 GDPR, a balance must be struck between your interests and ours. As long as it has not yet been determined whose interests prevail, you have the right to request the restriction of the processing of your personal data.
If you have restricted the processing of your personal data, this data – apart from its storage – may only be processed with your consent or for the assertion, exercise, or defense of legal claims or for the protection of the rights of another natural or legal person or for reasons of important public interest of the European Union or a member state.
4. Data Collection on This Website
Server Log Files
The provider of the pages automatically collects and stores information in so-called server log files, which your browser automatically transmits to us. These are:
- Browser type and browser version
- Operating system used
- Referrer URL
- Host name of the accessing computer
- Time of the server request
- IP address
This data is not merged with other data sources.
The collection of this data is based on Art. 6 para. 1 lit. f GDPR. The website operator has a legitimate interest in the technically error-free presentation and optimization of its website – for this purpose, the server log files must be recorded.
Contact Form
If you send us inquiries via the contact form or email, your data from the inquiry form, including the contact data you provide there, will be stored by us for the purpose of processing the inquiry and in case of follow-up questions. We do not pass on this data without your consent.
The processing of this data is based on Art. 6 para. 1 lit. b GDPR, if your request is related to the fulfillment of a contract or is necessary to carry out pre-contractual measures. In all other cases, the processing is based on our legitimate interest in the effective processing of inquiries addressed to us (Art. 6 para. 1 lit. f GDPR) or on your consent (Art. 6 para. 1 lit. a GDPR) if this has been requested.
The data you enter in the contact form will remain with us until you request us to delete it, 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.
Request by Email or Telephone
If you contact us by email or telephone, your inquiry including all resulting personal data (name, inquiry) will be stored and processed by us for the purpose of processing your request. We do not pass on this data without your consent.
The processing of this data is based on Art. 6 para. 1 lit. b GDPR, if your request is related to the fulfillment of a contract or is necessary to carry out pre-contractual measures. In all other cases, the processing is based on our legitimate interest in the effective processing of inquiries addressed to us (Art. 6 para. 1 lit. f GDPR) or on your consent (Art. 6 para. 1 lit. a GDPR) if this has been requested.
The data you send to us via contact requests will remain with us until you request us to delete it, 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 legal retention periods – remain unaffected.