Canvas hack: is it ever a good idea to pay a ransom, and what happens to the data?

Businesses are advised against paying - but many are prepared to deal to protect users' privacy

After a week of outages, hundreds of millions of students' data stolen, delayed assignment due dates and school login pages being defaced by hackers, the US tech firm Instructure - which operates the education platform Canvas, used by education providers worldwide - announced it had reached an agreement with the unauthorised actor" behind the ransomware attack.

Experts read the careful language as a sign that a ransom has been paid. The company has not confirmed this.