Doppel

AI-native social engineering defense platform that unifies Digital Risk Protection and Human Risk Management. Doppel detects and dismantles impersonation, fraud, and phishing threats across digital channels using agentic AI, and strengthens human defenses through simulation and security awareness training. In November 2025 Doppel raised a $70M Series C led by Bessemer Venture Partners at a valuation above $600M, bringing total funding to roughly $124M.