The present disclosure relates to a system and a method for identifying possible problematic behaviour in gambling, in particular online gambling involving monetary transactions. One embodiment relates to a computer implemented method for detection of possible problem gaming behaviour of a subject engaged in one or more 5 games involving monetary transactions, the method comprising the steps of obtaining a dataset comprising the subjects gaining transactions over a time period, analysing the gaining behaviour of said subject by modelling against a trained model employing artificial intelligence, and predicting and/or detecting Possible Problem Gambling Behavior (PPGB) of said subject based on the analysis wherein the trained model is 10 trained based on one or more behavioral targets at outcome.