Callsign

Callsign provides a digital identity and fraud prevention platform that uses behavioral biometrics, device intelligence, and telco data to authenticate users. The system employs an orchestration layer and intelligence engine to secure account logins, online payments, and registration processes while ensuring compliance with PSD2, SCA, and KYC regulations. The company primarily serves the financial services and digital sectors, offering solutions to mitigate account takeover, social engineering, and synthetic identity fraud.