SAN FRANCISCO, CA and CAMBRIDGE, UNITED KINGDOM--(Marketwired - Jul 10, 2017) - Darktrace, the world's leading machine learning company for cyber security, announced today that it has climbed new commercial highs as its total contract value hits $200 million, an increase of 140% from last year. Much of this growth was driven by outstanding performance in the U.S., where bookings increased threefold.