Social Engineering is the use of influence and persuasion to deceive people for the purpose of obtaining information or persuading the victim to perform some action.
Social Engineering involves acquiring sensitive information or inappropriate access privileges by an outsider.
Human-based Social Engineering refers to person to person interaction to retrieve the desired information.
Computer based Social Engineering refers to having computer software that attempts to retrieve the desired information
A successful defense depends on having good policies in place and diligent implementation.