Investigators now believe the security breach at a major Phoenix, Arizona mortgage company could be an inside job, KPHO 5 Phoenix reported June 8. A police report details how in May, officials at the Lending Company in north Phoenix contacted detectives. One of its managers had reported seeing a computer transferring customer personal information to an external source. The police report indicates an employee may be the culprit, but no arrests have been made. The company mailed letters to its customers, warning of the potential for identity theft. The Lending Company does business in 12 states, including Arizona. The company admitted its secure database was breached May 4, potentially putting at risk thousands of its customers.