Data classification
While writing your dissertation you may (re)use existing data or create new data. These data sets may contain sensitive data. Sensitive data is frequently classified as: public, internal, confidential or secret. The data classification is important as it determines how you store, share and publish your data.

Example of classification of sensitive data.

Sharing data
Sensitive data identifies individuals, species, objects or locations, and carries a risk of causing discrimination, harm or unwanted attention.

Related.