Instructure, the maker of the popular school information portal Canvas, said on Tuesday it has “reached an agreement” with the hackers who breached its systems twice, stole a huge amount of student and staff data, and disrupted thousands of schools that rely on the company’s software. ShinyHunters, a financially motivated cybercrime group, took credit for the April 29 data breach, claiming to have stolen student and staff data, including the personal information, of a total 275 million people. The hackers said they had compromised Canvas, which nearly 9,000 schools use to manage their students’ data and coursework. The hackers last week breached the company for a second time, defacing the Canvas login pages on school websites , as part of efforts to pressure the company into paying their ransom.…