impersonation-detection
(2)
imper.ai
imper.ai is a New York-based cybersecurity company that builds an identity verification platform purpose-built for the workforce. It prevents impersonation and account takeover across the employee lifecycle - from hiring to help desk account recovery - by pairing an Impersonation Detection Engine that reads hundreds of network, device, and behavioral signals with an AI-driven contextual verification layer that confirms the real person behind a session using role-specific questions that cannot be sourced from breached data. Founded in 2024 by veterans of Israel's Unit 8200, the company launched publicly in December 2025 with $28M in total funding backed by Redpoint Ventures and Battery Ventures.
Doppel
Doppel is an AI-native security platform for social engineering defense. It protects brands, executives, and employees from AI-powered impersonation, phishing, and fraud by detecting threats across social media, domains, marketplaces, and the dark web, correlating attack signals into a unified Threat Graph, and automating takedowns of attacker infrastructure. Founded in 2022 by Kevin Tian and Rahul Madduluri, the company analyzes over a billion indicators daily and protects dozens of Fortune 500 brands.