Canvas went dark last week. If you’re not in education or don’t have a kid at uni, you might have missed it entirely. Canvas is the learning management system that a significant chunk of the world’s schools and universities use to run coursework: assignment submissions, grades, direct messages between students and staff. The whole administrative scaffolding of modern education, basically.

Hackers got in. Ransom demand. Deadline of May 12. Student data potentially on the line.