The logs are also used to secure the system against hacking. The logs contain technical information on IP address, request type, time and the type of device that has communicated. The logs are stored for up to 3 months in production, and as backup for 6 months. Ruter cannot link information in the logs to the customer without additional information from telecoms operators and/or the customer's Internet service provider. The logs are only disclosed due to legal order or judgement.
Backups of personal data are deleted after 6 months.