Doppel, a San Francisco, CA-based AI-native social engineering defense platform, has raised $70 million in Series C funding, bringing its total funding to $124 million.
Investors
The round was led by Bessemer Venture Partners, with participation from George Kurtz (CrowdStrike), NTT DOCOMO Ventures, Aurum Partners, the a16z Cultural Leadership Fund, and returning investors including Andreessen Horowitz, South Park Commons, Script Capital, 9Yards Capital, Sozo Ventures, and Strategic Cyber Ventures, valuing Doppel at over $600 million.
Bessemer Venture Partners is a global venture capital firm that helps entrepreneurs build enduring companies. With more than 150 IPOs and over 350 portfolio companies across industries, Bessemer supports founders and CEOs from seed through every stage of growth. The firm has investment teams in San Francisco, Silicon Valley, New York, Boston, London, Bangalore, and Tel Aviv.
Doppel Use of Funds
The fresh funding will accelerate product innovation across Doppel’s Digital Risk Protection portfolio and expand its human risk management offerings, including simulation and security awareness training solutions.
About Doppel
Doppel is an AI-native platform designed for social engineering defense. It protects individuals and brands from AI-powered impersonation, phishing, fraud, and social engineering by dismantling attacker infrastructure and building resilience through training and simulation. Doppel's comprehensive Digital Risk Protection solution detects threats across multiple channels, links alerts into a real-time threat graph, and provides AI-driven infrastructure disruption. Headquartered in San Francisco, California, Doppel serves over 200 customers, including dozens of Fortune 500 companies such as Coinbase, Ramp, Commerce, and Orrick.
Funding Details
Company: Doppel, Inc.
Raised: $70.0M
Round: Series C
Funding Date: November 2025
Lead Investor: Bessemer Venture Partners
Additional Investors: George Kurtz, NTT DOCOMO Ventures, Aurum Partners, a16z Cultural Leadership Fund, Andreessen Horowitz, South Park Commons, Script Capital, 9Yards Capital, Sozo Ventures, Strategic Cyber Ventures
Company Website: https://www.doppel.com/
Software Category: AI Security / Social Engineering Defense (SED)
Source: https://www.prnewswire.com/news-releases/doppel-raises-70m-series-c-to-meet-rising-demand-for-ai-driven-social-engineering-defense-302619463.html