Tapping into a communications line and then entering the system by accompanying a legitimate user without their knowledge is called
A. superzapping.
B. data leakage.
C. hacking.
D. piggybacking.
Answer:D
Tapping into a communications line and then entering the system by accompanying a legitimate user without their knowledge is called
A. superzapping. B. data leakage. C. hacking. D. piggybacking.