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Privacy Policy

This declaration is intended to inform the user of this website about the type and purpose of collecting and using personal data.

We use the data you provide to us, such as your name or e-mail address, as well as the usage data collected when using cryptool. org, solely for the purpose of using and securing the website, processing your enquiry or processing your online access. Your data will not be passed on to third parties. All personal data will only be stored by us for as long as this is necessary for the stated purpose or as long as we are legally obliged to store it. We do not collect personal data from you as far as possible. You can also use this website without entering personal data yourself, i.e. You can visit the freely accessible parts of the website without telling us who you are. In the case of active participation in challenges or feedback, however, an e-mail address is required.

When you visit cryptool.org, information about your access to cryptool.org can be stored on our server. Examples of access data are: date, time, viewed page, name of your internet provider, type of your internet browser, visited pages within our internet presence, your IP address. These data are evaluated by us exclusively for statistical purposes, to improve our offer and for IT security. These data are anonymized and do not belong to the personal data. The according log files are overwritten after 7 days.

You are entitled to free information about your personal data stored by us and, if applicable, have a right to correct, block or delete this data. To do so, please send an email to ds@cryptool.org.

If you have given your consent to the storage and processing of your data (e.g. for the purchase of a free newsletter), you can revoke your consent at any time with effect for the future.

When you visit cryptool.org, data is stored on your computer about if you prefer a dark or light theme and if you allow cookies for Google Analytics or not. This is done by using the LocalStorage of your browser, which is a purely local method of storing data in a browser. The data only stays on your computer and is not transferred anywhere else.

This website uses Google Analytics, a web analytics service provided by Google LLC ("Google"), if you have allowed it by clicking "Accept" at the cookie notice that has been displayed at the bottom of this website. By default, Google Analytics is disabled on this website.

If you have allowed the usage of Google Analytics, it is extended by the code anonymizeIp to ensure that your IP address gets anonymized (so-called IP masking).

You can also disable the use of Google Analytics at any time again by clicking on the following link: Disable Google Analytics. This permanently deletes and disables all cookies of this website.

Google Analytics uses cookies to help the website analyze how users use the site. The information generated by the cookie about your use of this website is generally transferred to a Google server in the USA and stored there. However, in the case of the activation of the IP anonymisation on this website, your IP address will be previously abridged by Google within Member States of the European Union or in other Contracting States of the Agreement on the European Economic Area. Only in exceptional cases is the full IP address transferred to a Google server in the US and shortened there. On behalf of the operator of this website, Google will use this information to evaluate your use of the web pages, to generate reports on the website activities and to provide other services connected with the website usage and the internet usage against the website operator. The IP address provided by your browser as part of Google Analytics will not be merged with other Google data. You can prevent cookies from being saved by setting your browser software accordingly; however, we would like to point out that in this case you may not be able to fully utilize all the functions of this website. In addition, you can prevent Google from collecting the data generated by the cookie and relating to your use of the website (including your IP address) and from processing this data by Google by downloading and installing the browser plug-in available at the following link (http://tools.google.com/dlpage/gaoptout?hl=en).

For more information on terms of use and privacy with Google Analytics, please visit http://www.google.com/analytics/terms/us.html.


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