A cookie is a small piece of text information that is stored temporarily on the user's computer. This cookie is transferred to the operator of the website each time a page is accessed. This information is not made available to other domains.
You can see in your browser which information is stored in the cookies. The handling is different depending on the browser. The best way to find out is to visit the corresponding web pages.
Further information on cookies can be found on the login page of the installation. (Cookies Policy page)
Cookies are usually stored as long as the session duration is + 48 h. However, the participant can also delete the cookies in the browser at any time or the browsers usually also offer the settings to delete the cookies when closing the browser.