Chapter 4 and past chapters discussed about operational security, like

 Chapter 4 and past chapters discussed about operational security, like Spear Phishing. Aimed specifically at high-level corporate users whose credentials could be used for high-level attacks. Typically comes from a user that you think you know. Discuss why the social engineering method works and how.

You must do the following:

1)  As indicated above, please explain how DHS should handle the situation described in the preceding paragraph.

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