Melissa Knew That If She Flunked Mathematics She Would Be

Melissa knew that if she flunked mathematics she would be ineligible to play in her team's last five basketball games. When she found out that one of her classmates had been able to change someone else's grade on the school computer, she had this same person change her math grade from F to
C.
This example of computer abuse was __________ (falsifying information, pirating software, interpreting output, modifying the hardware)