Which of the Following Best Defines Shoulder Surfing

Multiple Choice

Which of the following best defines shoulder surfing?

A) using computers to remotely perform malicious or criminal tasks
B) using electronic messaging systems to randomly or indiscriminately send unsolicited bulk messages
C) rendering computers or digital resources inoperable in furtherance of the illegal compulsion of an action or exchange
D) literally watching someone from behind, as he or she inputs a password