Now blizzard can monitor your computer, in order to discover 3d party programs, here's the official text from terms of service:
From Section 1.C.ii
Any code or software, not expressly authorized by Blizzard, that can be used in connection with the Platform and/or any component or feature therof which changes and/or facilitates the gameplay or other functionality.
From Section 4
While running, the platform and/or a game may monitor your computer's memory for unauthorized third party programs running either concurrently with the game or out of process. An "Unauthorized third party program as used herein shall be defined as any third party software prohibited by section 1.C.ii (bots, cheats, hacks and bullet point 4 listed above)
Bad times coming...............