You receive an email containing an advertisement for the newest, coolest smartphone, not available elsewhere; the message includes a very handy (malicious) link to click. Which of the following social engineering principles is the sender using?

You receive an email containing an advertisement for the newest, coolest smartphone, not available elsewhere; the message includes a very handy (malicious) link to click. Which of the following social engineering principles is the sender using?

• Scarcity
• Trust
• Authority
• Intimidation 

EXPLANATION

Intimidation is intentional behavior that "would cause a person of ordinary sensibilities" to fear injury or harm. It is not necessary to prove that the behavior was so violent as to cause mean or that the victim was actually frightened.