Fact · Voice privacy and security
The UK regulator lists voice recognition among the physical or physiological biometric identification techniques, alongside facial recognition and iris scanning.
Checked against its source on October 17, 2026
In the source's own words
“Examples of physical or physiological biometric identification techniques: facial recognition; fingerprint verification; iris scanning; retinal analysis; voice recognition; and ear shape recognition.”
What is special category data? (UK ICO guidance), Information Commissioner's Office (UK), 2025, What is biometric data?.
Open the original- What it measures
- This puts voice in the same class as fingerprints and faces when the technique is used to identify a person.
- What it does not show
- Listing a technique is not a rule that every voice recording is biometric. The purpose of the processing still decides.