Security Startups

Modulate

Deepfake voice and voice fraud detection for live calls, analyzing the audio itself to flag cloned voices, vishing, and caller impersonation.

Proof of life. Raised $25M led by Future Ventures, September 2026

About Modulate

Modulate analyzes live voice calls for synthetic speech and fraud, working on the audio itself rather than a transcript.

Its deepfake detection API flags AI-generated, cloned, and synthetic voices, and its fraud prevention offering combines that with behavioral signals such as vishing and impersonation to alert call centers while the call is still running.

Under the hood, more than 100 small models extract signals like emotion, tone, and synthetic voice, then judge intent and scam attempts. Healthcare organizations use it to catch callers impersonating staff.

The Boston company started in game voice moderation with ToxMod, used in Call of Duty, and still sells that line next to fraud detection.

Investors

Future VenturesHyperplaneLakestar
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