General Data Protection Regulation (GDPR) requires organisations to curate and manage their data in a secure, privacy-preserving and effective manner. Loss or misuse of data stored by an organisation has a significant implication - for both the organisation and its customers. To avoid such a situation, the first step is to monitor the actions being performed on the stored data. Existing solutions lacks the granularity to show what actions performed on individual data and the respective data evolved over time. PrineSec Data Monitor provides a comprehensive provenance of organisational data from the inception of to its various evolutionary stages.