Identity Resolution
Noun · Security & Infosec
Definitions
The process of linking multiple records, identifiers, devices, or behavioral signals that likely belong to the same real-world entity. In security, identity resolution is used in fraud detection, account linking, and investigation of fragmented identity signals across systems.
In plain English: Figuring out which different records or identifiers belong to the same person or entity.
Example: "The fraud team used identity resolution to connect the new account with devices and emails tied to previous abuse."