I used canvas for some Harvard extension classes 10 to 5ish years ago. It worked Ok. Work distributed, grades posted. I didn't realized so many schools used it, or that it was all schools on one instance, which seems kind of nuts.
I lost access when I left as it was tied to my work email. I downloaded a lot, but there was still some useful stuff on the boards.
I wonder what the havkers found out about me. Perhaps the class notes will be lifted to train AI, higher quality than a lot thats on the internet anyway.
I discovered one of my old school assignments ended up on some homework help website. I had never posted this document publicly and had only uploaded it to the schools work submission page. Presumably at that point it was shared with multiple third parties for plagiarism checking and such. And then was exposed to a data breach years later and ended up on the public internet.