Fact · Voice privacy and security
99percent
University of Waterloo researchers reported an attack that bypasses voice authentication with up to a 99% success rate after six tries.
Checked against its source on October 17, 2026
In the source's own words
“with up to a 99% success rate after only six tries”
Waterloo researchers uncover flaw in voice authentication systems, University of Waterloo, University of Waterloo, 2023, News item.
Open the original- What it measures
- The news item describes a method that removes the markers of computer-generated audio so the fake sounds authentic to the system.
- What it does not show
- The success rate depends on the system attacked. The news item does not list every test condition.