TwinShield: How We Built a Living Fraud Detection System with Digital Twins and MongoDB

Authors: Tupurani Sree Rama Akshaj,Bhuvanesh Naidu, Aakash Samudrala, Chandravadan Rao What TwinShield Actually Is The core idea behind TwinShield is that fraud doesn't happen in isolation. A single suspicious transaction tells you something, but what tells you much more is how different that transaction is from everything that user has ever done before. That's what the Digital Twin layer does. Every user in the system has a living document — a profile that tracks their average transaction amoun