With rapid business adoption of social media as a core public communication channel, organizations are increasingly exposed to an array of internal and external security risks. Fraudulent Facebook accounts impersonate major brands to sell counterfeit products. Bogus LinkedIn profiles trick employees into divulging sensitive data. Corporate Twitter accounts are hijacked to defame the brand and distribute propaganda. In response, the FBI, Gartner and many other security analysts cite social media as one of the fastest growing security threats.