http://www.ibm.com/ibm/servicemanagement/solutions.html?cm_mmc=agus_itmbitivv_20090810-usitv021-_-n-_-2ga1-_-d

Gordon Arnold of IBM speaks about the advantages of data encryption. As more confidential information is being stored on drives that may be resold, protecting your data is becoming more important. By encrypting data, information can either be securely withheld or accessed only when necessary by the proper users.