Jeff Moss, founder of the Black Hat and DefCon cybersecurity conferences, delivers a welcoming speech at the Black Hat USA 2016 conference, in Las Vegas, the United States, on Aug. 3, 2016. Black Hat, built by and for the global InfoSec community in 1997, is one of the most technical and relevant global information security event series in the world. The Black Hat USA 2016, held at the Mandalay Bay Resort and Casino in Las Vegas, has attracted more than 11,000 attendees. (Xinhua/Guo Shuang)
