A Customer InformationSystem(CIS) is used to collect, manage and evaluate customer information, generate invoices and issue service requests. A corresponding system provides information about the individual needs and preferences of individual customers.
Customer information systems can be used to study current trends and analyze customers' buying behavior. For this purpose, customer inquiries, orders, correspondence and deliveries are evaluated and analyzed, and expenditures are determined.
The storage and use of customer information is subject to legal regulations. Therefore, only information that does not have an adverse effect on the customer should be collected and used. In addition, the information disclosed should be made transparent through privacy notices. Confidentiality should not be violated, nor should human rights and copyright.