Anybody can share some tips on how to create a nice GDPR data flow mapping and inventory?

Any sample diagrams? What diagrams types are best to be used here?

Would you show high level diagram and sub-diagrams for each component set?

How would you approach it for a bigger system (monolith with dozen of micro-services, several data sources etc)?

Don't want to re-invent diagram type, make something non standard, hence my question for experienced GDPR folks that did this before.


1 Answer 1


Using a Data Flow Diagram will help map out all the locations data is stored, processed and in transit.

This gives a great high level overview of the data.

Some good sources can be found here:

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