A corporation has experienced several media leaks of proprietary data on various web forums.
The posts were made during business hours and it is believed that the culprit is posting during
work hours from a corporate machine. The Chief Information Officer (CIO) wants to scan internet
traffic and keep records for later use in legal proceedings once the culprit is found. Which of the
following provides the BEST solution?

A.
Protocol analyzer

B.
NIPS

C.
Proxy server

D.
HIDS