Seems to be no mention of a bug bounty (or a thank you email), despite the severity of the bug and its cleverness.
> 02/27: Attended conference call with Blackboard and NTNU to explain exploit
> Blackboard stopped responding to our e-mails 02/28.
To his big surprise, he found his own. On a spreadsheet, with usernames and passwords of 35000 others, in clear text
Turns out students had credentials to such places.
He tipped the school, who in turn called the cops on him. Cops went to his home and confiscated his computer.