Fraud that combines real and fake identity details to create a false borrower profile that can later be used to open credit.
Synthetic identity theft means fraud that combines real and fake identity details to create a false identity profile that can later be used to obtain credit. In plain language, the fraudster is not always impersonating one real consumer completely. Instead, the fraudster may blend a real Social Security number or other true data with invented names, dates, addresses, or account history.
Synthetic identity theft matters because it can stay hidden longer than ordinary impersonation fraud. The borrower whose real information was partially used may not see the problem immediately, and lenders may believe they are dealing with a legitimate new applicant rather than a stolen identity.
It also matters because this type of fraud can distort how lenders interpret application risk. A file may look inconsistent, thin, or suspicious without clearly matching the more familiar pattern of a stolen existing account.
Borrowers and lenders encounter synthetic identity theft during Fraud Review, Identity Verification, and investigations involving Unauthorized Account activity. It is closely related to Identity Theft, but it often looks different because the fraudster is building a fake borrower profile instead of simply pretending to be one real consumer.
The term also matters in report-cleanup workflows because a synthetic file can create confusing or mixed reporting that is harder to interpret than a straightforward unauthorized inquiry.
A fraudster uses a real Social Security number tied to a child together with a made-up name and address to build credit over time. Later, the fraudster uses that synthetic profile to open new accounts. That pattern is synthetic identity theft.
Synthetic identity theft is not the same as ordinary Identity Theft in which a fraudster directly pretends to be a known real consumer. Synthetic fraud often mixes real and fabricated information instead.
It is also different from Account Takeover. Account takeover abuses an existing real account. Synthetic identity theft builds a false borrower identity to obtain new credit.
| Fraud type | What is being misused |
|---|---|
| Identity theft | A real consumer’s identity |
| Synthetic identity theft | A blended fake identity built from real and invented data |
| Account takeover | An existing real account already open |