Fact · Voice privacy and security
Microsoft says audio of people speaking and its transcripts may be considered personal data or sensitive data under various privacy regulations and laws.
Checked against its source on October 16, 2026
In the source's own words
“audio data of humans speaking and the related text transcripts may be considered personal data and/or sensitive data under various privacy regulations and laws”
Data, privacy, and security for Speech to text, Microsoft, Microsoft Learn, 2026, Introduction.
Open the original- What it measures
- Microsoft adds that the content of the audio may itself contain personal information depending on the context in which it was collected.
- What it does not show
- Documentation for the Azure business service; the principle applies to speech data generally.
Source
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