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Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world. Positive identification of genuine users delivers…

Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world. Positive identification of genuine users delivers…
What they do: AI-driven behavioral and risk-based authentication for banks and large enterprises
Founded: 2012 (London)
Notable funding: $35M Series A (Jul 2017)
Employees: ~340
Authentication, fraud prevention and digital identity for financial services and large enterprises
2012
Computer and Network Security
$35,000,000
Series A reported July 27, 2017 with participation from PTB Ventures, Allegis/AllegisCyber and NightDragon Security
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