Lead Data Scientist
LinkedIn — Ashish KumarAshish Kumar
Ashish Kumar is the Lead Data Scientist at Sign3, where he leads credit and fraud risk modeling to safeguard business growth. With over six years spent identifying and solving fraud across US and Indian markets, he brings deep, hands-on expertise in both credit risk and fraud risk.
His work is grounded in translating complex data patterns into robust, data-driven strategies that help businesses make faster, more confident decisions in the face of evolving fraud threats.
Areas of Expertise
- Credit Risk Modeling
- Fraud Risk Analytics
- Data-Driven Decision Making
Latest Articles by Ashish
Explore insights and perspectives from Ashish on credit risk, fraud analytics, and how data science is shaping smarter risk decisions.
Fraud23 min readCredit Card Fraud Detection: Complete Guide to Types, Prevention & Detection
Learn how credit card fraud detection works, key fraud types, detection methods, red flags, and prevention strategies banks and fintechs need.
Read blogAshish KumarSep 10, 2026
Fraud18 min readWhat Is Fraud Detection? Types, Methods & How It Works
Learn what fraud detection is, how it works, and the key methods used to identify suspicious activity, detect fraud patterns, and prevent financial and digital fraud.
Read blogAshish KumarAug 20, 2026
Data Science & ML16 min readAI Fraud Detection: The Complete Guide for Banks & Fintechs in 2026
AI fraud detection is the use of artificial intelligence and machine-learning models to identify potentially fraudulent activity.
Read blogAshish KumarAug 10, 2026
