Around two thirds of companies worldwide currently allow their employees to use their personal devices for company purposes. Recent statistics estimate that in Germany at least half of the companies allow, or at least tolerate, the use of private devices for corporate use. Bring your own device (BYOD) could be a cost-saving and fast way to introduce innovative, attractive technology within the company. However, it comes along with a lot of security issues and legal problems that need to be considered before sensitive business data is stored on unsecured smartphones or tablets that may become lost in the public domain. HR departments will often support BYOD as a means of motivation and a way to increase productivity, whereas IT departments fear various types of hardware can be difficult to maintain and control. The legal approach to the topic is multifaceted.