In its sixth annual study of outbound email and data loss prevention issues, Proofpoint, Inc. found that US companies are increasingly concerned about a growing number of data leaks caused by employee misuse of email, blogs, social networks, multimedia channels and even text messages. The report, based on a June 2009 study of 220 email decision makers at US enterprises with more than 1000 employees answers questions including Who’s Reading Your Corporate Email? How Common are Data Leaks in General? Via Email? Via Lost or Stolen Devices? How Often are Employees Fired for Email Misuse? The full report is available here.