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Fraud in the rental industry often goes undetected because bad actors move freely between operators with no shared record. RentFAX addresses this by running automated fraud signals on every renter profile — checking for signs of identity duplication, suspicious address overlap, and cross-operator incident patterns. When a signal fires, it appears directly on the renter’s profile so you can act before completing a transaction.

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How fraud detection works

RentFAX’s AI Fraud Detector runs in the background whenever a renter is added to or looked up in the network. It does not require any manual configuration. The signals it checks include:

Duplicate identity detection

The system checks whether the same identity documents or identifying details have been registered under multiple accounts. Duplicate identity attempts are a common pattern in rental fraud.

Shared address flags

When multiple renter profiles share the same address, RentFAX flags the overlap. Shared addresses can indicate synthetic identity rings or coordinated fraud attempts.

Cross-operator incident flags

Incidents logged by other operators in the RentFAX network are surfaced on the renter’s profile. A renter with a clean record at your organization but a significant history elsewhere is identified immediately.

AI Fraud Detector

RentFAX’s AI layer analyzes patterns across the renter’s full network profile — combining identity signals, incident history, and behavioral data — to produce a fraud assessment.

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The fraudReported flag

When the AI Fraud Detector or a cross-operator report determines that fraud is likely, a fraudReported flag is set on the renter’s profile. This flag is visible to any operator who looks up that renter in the network. What fraudReported: true means:
  • A verified operator in the network has submitted a fraud report against this renter, or the automated system has detected a high-confidence signal.
  • The flag is surfaced prominently on the renter’s summary card and in the API response under flags.
What fraudReported: true does not mean:
  • It is not a final determination of guilt. Renters retain the right to dispute records through the Dispute process.
  • A single flag from one operator does not automatically result in a network-wide denial. The composite risk score and full incident history should inform your decision.
Do not use a fraudReported flag as the sole basis for a denial. Review the full profile, including the incident details and the source of the flag, before making a rental decision.

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What happens when fraud is detected

1

Flag appears on the renter profile

The renter’s profile is updated immediately. The fraud flag displays alongside other risk signals in the dashboard.
2

Risk score is affected

Active fraud flags contribute to the renter’s network standing component of the risk score, which can lower the composite score and move the renter into a higher risk tier.
3

Network alert propagates

Because all operators query the same shared network, any operator who subsequently looks up that renter will see the flag. The network grows stronger with every reported incident.
4

Renter can dispute

Renters have the right to view their profile and challenge any flag they believe is inaccurate. Disputes are tracked in the Dispute Queue and visible to the renter through the Renter Portal. See Manage rental disputes.

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Reviewing fraud signals on a profile

When you open a renter’s profile, fraud-related information appears in two places:
  • Flags panel — lists all active risk flags, including fraudReported and any address or identity signals.
  • Summary panel — shows the cross_operator_flags count, telling you how many incidents were filed by organizations other than yours.
Check the Audit Log regularly for unusual search patterns or spikes in fraud flags across your portfolio. A sudden increase in flagged renters can indicate coordinated fraud activity targeting your organization.

Renter screening

How to search renters and read the full risk profile

Risk score

How fraud signals feed into the composite risk score

Incidents

Log the incidents that power network-wide fraud signals

Disputes

How renters can challenge fraud flags they believe are incorrect