Hugely disappointing, but not really their fault - from the title I thought this would be a guide to winning the board game Risk.
OP: might I recommend adding a DEFCON: tag to the beginning of the title?
perhaps the title could include an adjective which specifies the type of risk under consideration.
I found the following by perusing the first few search results for obvious search terms:
http://www.quora.com/What-is-a-good-strategy-for-Risk-the-bo...
It might be a good start at answering the questions raised here...