Tietojärjestelmien käytöstä ja niistä tehtävistä tietojen luovutuksista kerätään tarpeelliset lokitiedot, jos tietojärjestelmän käyttö edellyttää tunnistautumista tai muuta kirjautumista.
The Authority must ensure that the necessary logs are kept of the use of its information systems and of the disclosure of information from them, if the use of the information system requires identification or other log-in. The purpose of log data is to monitor the use and disclosure of data contained in information systems and to detect technical errors in the information system.
In Cyberday, the owner of the information system may be responsible for controlling the collection of log data from the information system. The organisation documents the content of the logs in more detail for those information systems for which it is responsible for technical maintenance. For other information systems, the owner, in cooperation with the system vendor, checks that the necessary logs are collected.
The organization should save information concerning personal data disclosures to third parties. The information should include what personal data has been disclosed, to whom and when.