TOKYO--(BUSINESS WIRE)--NTT Communications Corporation (NTT Com), the ICT solutions and international communications business within NTT (NYSE: NTT), announced today that it will trial an enhanced DDoS orchestrator system to detect, analyze and defend against distributed denial of service (DDoS) attacks using a testing environment constructed by multiple security companies, starting June 8. DDoS are attacks on computer networks in which a number of computers distributed among multiple networks