CompTIA Security+ Question H-59

Which of the following is an example of a false negative?

A. The IDS does not identify a buffer overflow.
B. Anti-virus identifies a benign application as malware.
C. Anti-virus protection interferes with the normal operation of an application.
D. A user account is locked out after the user mistypes the password too many times.

Answer: A

With a false negative, you are not alerted to a situation when you should be alerted.