Virus Scrubbers and other malware detection program can only detect items they know about. Which of the following tool would allow you to detect unauthorized changes or modification of binary files on your system by unknown malware?

A.
Anti-Virus Software

B.
A properly configured gateway

C.
File integrity verification tools

D.
There is no way of finding out until a new updated signature file is released

Explanation:
Programs like Tripwire aids system administrators and users in monitoring a designated set of files for any changes. Used with system files on a regular (e.g., daily) basis, Tripwire can notify system administrators of corrupted or tampered files, so damage control measures can be taken in a timely manner.