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?
Yes, because he has the best security there is
Yes, because trusted source is sufficient to keep out all known tactics.
No, because attackers always think up new ways to get into a system.
No, because spoofing fools trusted-source security

No, because spoofing fools trusted-source security

Explanation:

Spoofing is a tactic where a cybercriminal disguises malicious communication or activity as something from a trusted source. Cybercriminals use spoofing to fool victims into giving up sensitive information or money or downloading malware. Cybercriminals can spoof email addresses and even websites.

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