Glossary · U
Unstructured Data
Free-form information — documents, calls, emails — that lacks a predefined format and often hides sensitive content.
Related terms
Structured & Unstructured Data
Structured data fits neat fields like databases; unstructured data — documents, transcripts, emails — requires AI to extract meaning.
UK GDPR & Data Protection Act 2018 (DPA 2018)
The UK's post-Brexit data protection framework, mirroring EU GDPR principles while operating under separate national enforcement.
Unauthorized Data Access
When an individual, system, or AI model views or processes sensitive data without proper permission.
See Unstructured Data in practice
Questa AI anonymizes sensitive data before it reaches any AI model — across documents and live prompts, with governance and data-residency control.