Jeremy Knows That the Network Has Been Breached and Several

Multiple Choice

Jeremy knows that the network has been breached and several important files have been modified. After analyzing the access and firewall logs, he can't come to any sort of conclusion about exactly what happened. In the future, he wants to make sure he can detect when certain files change, then maybe use honey tokens to catch the intruders.
Of the following will accomplish this task?

A) Kismet
B) Strataguard
C) Snortsam
D) Tripwire