When you visit our websites we store certain items of information relating to your employed browser and operating system, the date and time of your visit, any search terms you may enter, how often you call up the individual websites, the names of retrieved files, the transferred data volume and the website from which you access our websites. We also store the name of your internet service provider on security grounds, in particular to prevent and identify attacks on our websites or attempted fraud.
We shall only store other personal data if you provide us with such data in connection with a registration process, a contact form, a survey, a competition or execution of a contract, for example, and then only to the extent to which we are permitted by consent which you have granted or by applicable legal provisions (see the section "Legal basis of processing" below for further information).
There is no legal or contractual obligation for you to provide your personal data. However, it is possible that certain functions of our websites depend on the provision of personal data. If you do not provide personal data in these cases, functions may not be available or only in limited form.
