What security control provides a method to insure that a transaction did or did not occur?
A.
Identification
B.
Accountability
C.
Nonrepudiation
D.
Verification
E.
Access control
Explanation:
Nonrepudiation serves to validate whether or not a claimed event or action occurred in order to
resolve disputes about the validity of the event. Nonrepudiation is vital in electronic commerce
because it protects both the seller and the consumer from fraudulent behavior by the other party.