Laki henkilötietojen käsittelystä rikosasioissa ja kansallisen turvallisuuden ylläpitämisen yhteydessä / Lag om behandling av personuppgifter i brottmål och vid upprätthållandet av den nationella säkerheten (1054/2018) 5.12.2018, viimeksi muutettuna / ändrad senast genom (1226/2023) 21.12.2023

This law governs how personal data is processed in criminal proceedings and for maintaining national security in Finland. It ensures that data handling respects fundamental rights while allowing necessary investigations and security measures. It affects individuals involved in criminal cases, law enforcement agencies, and national security bodies. The latest amendments update rules for data processing in line with evolving security needs and data protection standards.