The processors of personal data (e.g. providers of data systems, other partners using our employee or customer data) and the agreements related to the processing of personal data have been documented. The documentation includes e.g.:
Data processing agreements bind the actions of a personal data processing partner.
It can be important for us to require an important partner to take care of e.g. ensuring the confidentiality requirements for its personnel and restricting the use of other processors of personal data in connection with our data.