This is the 488th most frequent Finnish word.
tietojen
"Of the data" or "of the information" (possessive form).
Here, 'tietojen' refers to the data being collected, functioning as a genitive to qualify the noun 'keruu' (collection).
Osana tietojen keruuta, tutkimme 50 eri kohdetta.
As part of the data collection, we studied 50 different locations.
In this instance, 'tietojen' again serves as a genitive noun indicating possession regarding what is to be protected (the data, 'tiedot').
Tietojen suojaaminen on tärkeä osa tietoturvaa.
Protecting the data is an important part of cybersecurity.
In this sentence, 'tietojen' is the genitive plural form of 'tieto', meaning 'data'. It signifies possession or relation to the act of collecting.