The present invention relates to the detection, classification, and management of collusion in online gaming. Specifically, it relates to detecting collusion in online poker and other games of chance. The present invention may also be used to detect collusion in other types of strategy based online gaming such as first person shooter games. The present invention can then be used to classify and visualize any detected collusion. Finally, the present invention can be used to make recommendations regarding what possible courses of action could be taken, if any, to prevent and/or control collusion.