Jenny’s boss says that he already has security that accepts messages only from trusted sources, so he does not need more security. Is he right? Why or why not?
Answer
A
Yes, because he has the best security there is.
B
No, because spoofing fools trusted-source security.
C
Yes, because trusted source is sufficient to keep out all known tactics.
D
No, because attackers always think up new ways to get into a system.