This article from IHS is a great resource for an overall view of how to set up a counterfeit avoidance plan. It is short and to the point.
Robb Hammond is the President of AERI and the former chair of the Aerospace Industry’s Counterfeit Electronic Components Mitigation Standard for independent distributors, AS6081, which has become one of the industry’s most respected documents, as well as being adopted by the Department of Defense. Robb is one of the foremost thought leaders in the industry on counterfeit detection and speaks regularly at conferences around the globe.