What Is Information Secrecy

What is information secrecy?

A) the category of computer security that addresses the protection of data from unauthorized disclosure and confirmation of data source authenticity
B) a technique to gain personal information for the purpose of identity theft, usually by means of fraudulent emails that look as though they came from legitimate businesses
C) a masquerading attack that combines spam with spoofing
D) a phishing expedition in which the emails are carefully designed to target a particular person or organization