4TB of voice samples just stolen from 40k AI contractors at Mercor
TL;DR AI
1 min readKey summary
A reported Mercor leak allegedly exposed 4TB of contractor voice recordings and ID document scans from about 40,000 people.
The combined data could enable impersonation, deepfake fraud, and bypassing phone-based identity checks.
Security discussion centered on defenses such as watermarking and anti-spoofing tools like AudioSeal and AASIST.



