Matt, a security administrator, wants to ensure that the message he is sending does not get
intercepted or modified in transit. This concern relates to which of the following concepts?

A.
Availability

B.
Integrity

C.
Accounting

D.
Confidentiality

Explanation:
Integrity means ensuring that data has not been altered. Hashing and message authentication
codes are the most common methods to accomplish this. In addition, ensuring nonrepudiation via
digital signatures supports integrity.