Trevor Graves, 22, is accused of hacking his school and professors and changing grades for himself and a few other fellow students. The University of Iowa did not implement two-factor authentication for its student management system, so the login credentials allowed Graves access to teachers’ accounts. Graves changed grades more than 90 times, for him and five classmates, and regularly stole exams and shared tests with other students. Graves referred to the keyloggers using the term “pineapple
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