Startups & Venture

Exclusive: Doppel raises $70 million Series C at more than $600 million valuation to fight AI-powered social engineering attacks

Exclusive: Doppel raises $70 million Series C at more than $600 million valuation to fight AI-powered social engineering attacks

Bessemer-backed Doppel has raised its $70 million Series C, valuing the company at $600 million, Fortune has exclusively learned.

By Allie Garfinkle

November 19, 2025

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