Payments and Fraud Glossary

U

Unique Identity

A set of identifiers/attributes forms a unique identity. Furthermore, an identifier, such as a unique number or any set of attributes, is capable of determining precisely who or what the entity is.

Unsupervised Machine Learning

The machine learning task of inferring a function to describe hidden structure from "unlabeled" data.

URL spoofing

This is an attempt to closely mimic the URL of another website. This makes the fraudulent website appear legitimate.