
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 privacy, safety and minimal friction whilst ensuring that bad actors are blocked. Through a simple Swipe or Type, users can be personally recognized to a 99.999% accuracy, delivering the highest fidelity AI based user recognition for the digital world.

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 privacy, safety and minimal friction whilst ensuring that bad actors are blocked. Through a simple Swipe or Type, users can be personally recognized to a 99.999% accuracy, delivering the highest fidelity AI based user recognition for the digital world.
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
| Company |
|---|
Russian hacker, Vladimir Leonidovitch Levin, attempted the biggest bank heist the world had ever seen via dial-up internet in 1994, Zia Hayat, Callsign CEO and founder, was hooked - armchair fraud became a real possibility. From this moment, Zia knew he wanted to play a part in stopping the bad guys and securing the internet for all. Founded In 2012, Callsign's mission has been to make Digital Identity simple and secure for everyone and everything. In that time, we've grown to over 200 employees, opened offices in Singapore and Abu Dhabi, been recognised as a WEF Global Innovator and our technology is being used by many of the world's leading financial institutions to keep millions of consumers safe.
But we aren't stopping here. The identity revolution has only just begun, and we are looking to hire the brightest and inquisitive minds to help us make every web, mobile and physical Interaction seamless and secure. If this sounds like you, lets chat.
Responsibilities
Good to Have: