What is the criminal practice of social engineering where an attacker uses the telephone system in an attempt to scam the user into surrendering private information?

The term social engineering is used to describe the various tricks used to fool people
(employees, business partners, or customers) into voluntarily giving away information that
would not normally be known to the general public.

What is the criminal practice of social engineering where an attacker uses the telephone
system in an attempt to scam the user into surrendering private information?

A.
Phishing

B.
Spoofing

C.
Tapping

D.
Vishing

Explanation:

Reference:

http://en.wikipedia.org/wiki/Voice_phishing