The hunt for those responsible (eight terrorists were killed Saturday night, but accomplices may still be at large) led to a number of raids in nearby Brussels. Evidence reportedly turned up included at least one PlayStation 4 console. Belgian federal home affairs minister Jan Jambon said outright that the PS4 is used by ISIS agents to communicate, and was selected due to the fact that it’s notoriously hard to monitor. “PlayStation 4 is even more difficult to keep track of than WhatsApp,” he said.
Source: How Paris ISIS Terrorists May Have Used PlayStation 4 To Discuss And Plan Attacks – Forbes