what kind of security failure?

"Shoulder surfing" is an example of what kind of security failure?

A.
Social engineering

B.
Confidentiality

C.
Countermeasure

D.
Policy

Explanation:
"Shoulder surfing" represents a failure in confidentiality because private
information is viewed-either accidentally or deliberately-from the display of
another user. An example of social engineering might be fooling someone into
thinking you are an administrator who needs their password for legitimate use. A
countermeasure is a safeguard put in place to minimize a potential security risk. A
policy is a set of principles used to guide the workforce into implementing
managements vision of security.