In this Live Meeting event Peggy talked about what and how MS is trying to stop Exam cheaters and what YOU can do to help Microsoft with this problem. Thereby increase the value of your certifications that you hold.
https://www.livemeeting.com/cc/lmevents/view?id=msft062508PMlm&pw=ATT11808
Source:
http://blogs.msdn.com/trika/archive/2008/07/01/braindumps-and-whatnot.aspx