The present invention provides a technique related to a system for detecting an abnormal behavior and to a method thereof. According to an embodiment of the present invention, the system for detecting an abnormal behavior comprises: an information reception unit receiving use information in accordance with digital content usage; a model generation unit performing machine learning for the received use information to generate an analysis model for detecting an abnormal behavior in accordance with the digital content usage; a model transmission unit transmitting the analysis model to a cloud server; and an abnormal behavior detection unit receiving an integrated analysis model from the cloud server and detecting an abnormal behavior based on at least one between the integrated analysis model and the generated analysis model.;COPYRIGHT KIPO 2019
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