Case studies on pseudonymisation and anonymisation techniques and privacy enhancing technologies
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Due to the Data (Use and Access) Act coming into law on 19 June 2025, this guidance is under review and may be subject to change. The Plans for new and updated guidance page will tell you about which guidance will be updated and when this will happen.
The following case studies are examples of how you could use or combine the techniques discussed in our guidance about privacy enhancing technologies (PETs).
If you are considering implementing PETs, these case studies will show you how you can do this in practice and what objectives you can achieve with these techniques. We do not require or encourage you to follow these techniques, they are simply examples of good implementation.
We have developed these case studies with organisations who use anonymisation and pseudonymisation techniques in innovative ways. These organisations collaborated with us voluntarily, and we did not pay or otherwise compensate them for doing so.
We will add further case studies as we develop them with organisations. If you are using PETs and you think other organisations would benefit from learning about how you use them, please contact our Technology team to discuss developing a case study.