Startup profile · funding coverage
Doppel
AI-native platform detecting and removing social-engineering impersonation across brands and executives.
Stage
growth
Status
private
Coverage
full
Why Doppel is interesting
a16z led the 2024 Series A after an internal security-team POC; Bessemer led the 2025 Series C as AI phishing exploded.
Key facts
- Series C (Nov 2025): $70M led by Bessemer; a16z returner (company PR)
- Series A (Jan 2024): led by a16z (a16z announcement)
Investors in our directory
Funds linked from Doppel's profile — open a fund page for stage focus and related deal articles.
Industries
Cybersecurity AI & Machine Learning
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FAQs about Doppel
Funding context and why this company shows up in venture coverage.
Doppel monitors the open web and social platforms for impersonation of brands and executives — using AI to detect phishing sites, fake profiles, and scam campaigns.
Andreessen Horowitz (/fund/andreessen-horowitz) led the Series A in January 2024. Bessemer Venture Partners (/fund/bessemer-venture-partners) led the $70M Series C in November 2025.
Doppel raised a $70M Series C in November 2025 led by Bessemer. It is a private growth-stage company.
Generative AI lowered the cost of convincing impersonation attacks — Doppel targets the brand-protection layer beyond traditional email security gateways.
No. Doppel is privately held as of July 2026.
Last updated: 2026-07-24