18. Trojan-Horse programs

Question

A. are legitimate programs that allow unauthorized access
B. are hacker programs that do not show up on the system
C. really do not usually work
D. are usually immediately discovered

Answer 1

A. are legitimate programs that allow unauthorized access

Trojan-Horse programs are software applications that appear to be legitimate but can contain malicious code that allows unauthorized access to a user's system. They do not typically show obvious signs of their malicious nature, leading users to inadvertently install them.