You've got to read this.  This is a reposting of a March 12, 2011 article that was posted on InformationWeek online:

"Jake Widman 03/12/2011 They make the news on a regular basis: incidents in which a company or government agency's security is breached, leading to a loss of information, personal records, or other data. There are many ways to measure the size or cost of a security breach. Some result in the loss of millions of data records, some affect millions of people, and some wind up costing the affected businesses a lot of money. Not to mention, the questions of you calculate the value of personal medical information vs. credit card numbers. Here are ten security breaches of epic scale, plus one "bonus" incident that ranks among the boneheaded moves of all time."

Locking down machines and using a commercial privilege management solution to manage user permissions further protects companies from experiencing these security nightmares. Companies are turning to Viewfinity for managing that added layer of protection that will halt breaches that could otherwise occur.

Read the chronicle here:  http://www.informationweek.com/news/galleries/security/attacks/showArticle.jhtml?articleID=229300675&pgno=1&isPrev=

And after you've read it, download our free Local Admin Discovery Tool that analyzes your Active Directory domain and discovers desktops with local administrator rights.  Once the analysis has been run, you can take action by removing the users or suspicious groups from the Administrators group.