Abstract:

In order to reduce the Internet fraud rate, defeat instant messaging Internet fraud crime, reduce people's property loss, the paper proposes a warning method of instant messaging Internet fraud based on behavior analysis, which can automatically give a warning when a user's behavior was involved in fraud. The method can identify any Internet fraud for the police department early. Simulation experiment results show that the accuracy of this method is 96.5%, the recall rate is 84.9%.

Key words: behavior analysis, internet fraud, association relationship