Wu Shuo learned that Doppel announced the completion of a $35 million Series B financing round, led by Bessemer Venture Partners, with new investors including 9Yards Capital and Sozo Ventures, while existing shareholders such as a16z, South Park Commons, SCV, Script Capital, and Sabrina Hahn continued their support. Founded three years ago, Doppel focuses on building a social engineering defense platform, serving areas including brand impersonation, corporate executive protection, and multi-channel phishing attacks.