It is important to staff who use email messaging to provide PII to others on a regular basis to have confidence that their messages are not intercepted or altered
during transmission. They are concerned about which of the following types of security control?

A.
Integrity

B.
Safety

C.
Availability

D.
Confidentiality

Explanation:
Integrity means that the messages/ data is not altered. PII is personally identifiable information that can be used to uniquely identify an individual. PII can be used to
ensure the integrity of data/messages.
Incorrect Answers:
B: Safety concerns would refer to the physical safety and aspect of security, measures such fences, lighting, locks, CCTV, escape plans, etc. is the focus.
C: Availability refers to the measures that are used to keep services and systems operational.
D: Confidentiality would refer to preventing unauthorized users from accessing the messages.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, Indianapolis, 2014, pp 401, 404, 413, 414