Identity Theft and Use of Social Security Numbershttp://weblogs.asp.net/tmarman/archive/2005/03/06/386298.aspxMarc Orchant at The Tablet PC Weblog passes along some good tips for preventing identity theft . Among them: 2. Do not sign the back of your credit cards. Instead, put “PHOTO ID REQUIRED”.. This highlights a problem in general with using the signatureenCommunityServer 2007 SP1 (Build: 20510.895)