A Malicious Attacker Decides That He Is Going to Try

Multiple Choice

A malicious attacker decides that he is going to try to compromise the account of the CEO of a company by calling him up on the phone,pretending to be a vendor,and gain access to the company's payment information.What type of attack is this?

A) Dumpster diving
B) Tailgating
C) Spear phishing
D) Brute-force attack