Instructure has paid a ransom to a gang of cybercriminals that have twice hacked the company’s learning management system, Canvas, over the past week and a half. According to an update published by the education-technology company Monday night, the deal means that the hackers have returned the compromised data of some 275 million users across more than 8,800 institutions. The company—whose LMS is used to deliver courses by 41 percent of higher education institutions in North America—said it “rec...