With the rise of personal mobile devices, more IT departments are looking at some degree of control over employee-owned (or “employee-liable”) devices, to manage and secure them. The approach needs to be systematic and comprehensive, says Khoi Nguyen, group product manager for the mobile security group at Symantec. A growing number of companies are formulating written mobile policies and requiring employees to read, understand and sign them before they have access to e-mail and other data from their device. The real issues are cultural, says Enterprise Mobility Foundation President Philippe Winthrop.”]