Black Hat USA 2017, the massive cybersecurity conference, is set for July 22-27 at the Mandalay Bay in Las Vegas. The conference includes four days of technical Trainings (July 22-25) followed by the two-day main conference (July 26-27) featuring Briefings, Arsenal, Business Hall, and more. Rough 15,000 InfoSec (information security) professionals are expected to attend.