A method, system and product including obtaining a media stream depicting a real-time communication of a participant in a communication context; identifying the communication context; obtaining a personalized model of the participant when communicating in the communication context, wherein the personalized model is configured to identify a behavioral pattern of the participant; executing the personalized model on at least a portion of the media stream to determine whether a behavioral pattern of the participant in the media stream matches the behavioral pattern of the participant according to the personalized model; and upon identifying a mismatch between the behavioral pattern of the participant in the media stream and the behavioral pattern of the participant according to the personalized model, performing a responsive action.