Security May 12 … time is ticking for nearly 9,000 schools Ed-tech giant Instructure confirmed two rounds of unauthorized activity affecting its online learning platform Canvas within two weeks as data-theft-and-extortion crew ShinyHunters threatened to leak data it claims belongs to more than 275 million students, teachers, and staff tied to nearly 9,000 schools worldwide. In a security incident update, Instructure apologized for the disruption when Canvas went offline last Thursday , leaving thousands of colleges, universities, and K-12 schools without access to course materials, grades, and due dates during final exams and Advanced Placement testing for many.  As of Saturday, the parent company claimed, “Canvas is fully back online and available for use.” And it finally broke its silence on Monday about what happened, admitting not one but two intrusions after criminals exploited a security vulnerability in its Free-for-Teacher learning system, and saying the data thieves stole information including…