A hardware-, operating-system-, browser-, or application-derived value used to recognize a device across sessions. Fraud systems combine identifiers with other signals because individual values may be reset, shared, or spoofed.
Category: fraud prevention. Part of the Identity Technologist Glossary — more than 200 practitioner-grade definitions covering identity verification, KYC/AML, biometrics, fraud prevention, and compliance. See all terms at https://identitytechnologist.com/glossary.