A padlock is displayed at the Alert Logic booth during the 2016 Black Hat cyber-security conference in Las Vegas

A padlock is displayed at the Alert Logic booth during the 2016 Black Hat cyber-security conference in Las Vegas

A padlock is displayed at the Alert Logic booth during the 2016 Black Hat cyber-security conference in Las Vegas, Nevada, U.S. in this August 3, 2016 file photo. Reuters/David Becker

December 8, 2016 8:47 AM (UTC+8)