Understanding and preventing multi-accounting fraud with Verisoul
Multi-accounting (also known as duplicate accounts) occurs when a single person creates and operates multiple accounts on your platform. This is a common fraud pattern that can lead to significant losses through promotional abuse, collusion, and other fraudulent activities.
Match Types
The only deterministic match type with zero false positives
Always results in a score of 1 (highest confidence)
Based on browser-specific identifiers
Based on hardware and software characteristics
Includes device fingerprinting techniques
Probabilistic with varying confidence levels
Analysis of network patterns and characteristics
Includes IP address analysis and packet inspection
Probabilistic with varying confidence levels
Analyzes string similarity of normalized email addresses
Strips special characters like dots (.) and plus (+) signs
Identifies users creating variations of the same email
Account-to-Account Scores
Multi-Accounting Probability
multiple_accounts
field is the culmination of all account-to-account scores, representing the overall likelihood that an account is part of a multi-accounting scheme:multiple_accounts
field is calculated:multiple_accounts
score (near 1)multiple_accounts
scoremultiple_accounts
score