The UK’s independent authority set up to uphold information rights in the public interest, promoting openness by public bodies and data privacy for individuals.

This guidance discusses special category data in detail. Read it if you have detailed questions not answered in the Guide, or if you need a deeper understanding of the conditions for processing special category data to help you comply in practice. It is aimed at DPOs and those with specific data protection responsibilities in larger organisations.

If you haven’t yet read the 'in brief’ page on special category data in the Guide to Data Protection, you should read that first. It introduces the topic and sets out the key points you need to know, along with practical checklists to help you comply.

What is special category data?

What are the rules on special category data?

What are the conditions for processing?

What are the substantial public interest conditions?