San Jose, Calif., Feb. 15, 2017 – ThreatMetrix®, The Digital Identity Company®, today announced that security journalist and investigative reporter, Brian Krebs, will serve as keynote presenter for Digital Identity Summit 2017 taking place in San Francisco September 18-20. Additionally, the Call for Speakers for Digital Identity Summit 2017 is now open, as are nominations for the Digital Identity Excellence Awards. Visa has been confirmed as Platinum Sponsor for the global event series, taking place in Hong Kong, London and San Francisco.