Final answer:
The Correct option is: B) misfeasor.
A misfeasor is a user who either accesses resources without authorization or misuses their access privileges. The correct answer to the fill-in-the-blank question is B) misfeasor. Knowing different user types is key to IT security.
Step-by-step explanation:
A misfeasor is a legitimate user who accesses data, programs, or resources for which such access is not authorized, or who is authorized for such access but misuses his or her privileges.
The correct answer to the student's question is: B) misfeasor.
Within the realm of computer security and information technology, understanding the different types of malicious users is crucial for implementing effective security measures.
A superuser typically has legitimate elevated privileges, whereas a masquerader assumes the identity of another user to gain unauthorized access. A clandestine user, on the other hand, seeks to evade auditing and monitoring while accessing restricted areas of the system.
A masquerader is a legitimate user who accesses data, programs, or resources for which such access is not authorized, or who is authorized for such access but misuses his or her privileges.