Shoulder surfing is a type of in-person attack in which the attacker gathers information about thepremises of an organization. This attack is often performed by looking surreptitiously at thekeyboard

Shoulder surfing is a type of in-person attack in which the attacker gathers information about thepremises of an organization. This attack is often performed by looking surreptitiously at thekeyboard of an employee's computer while he is typing in his password at any access point suchas a terminal/Web site. Which of the following is violated in a shoulder surfing attack?