For security and risk (S&R) professionals who must empower a digital workforce while protecting the firm's data, the basic management functionality of mobile device management (MDM) solutions is inadequate. While vendors have evolved MDM into more sophisticated enterprise mobile management (EMM) solutions with increased security, new vendors have emerged to address security at different layers in the stack or with competing approaches. In this report, we help S&R pros understand a mobile security landscape flooded with a plethora of solutions. This is an update of a previously published report; Forrester reviews and updates it periodically for continued relevance and accuracy.