From top-level execs to workers in the field, enterprise end-users are growing increasingly dependent on anywhere, anytime access to essential corporate data and apps. As such, the call for an effective, business-critical mobile initiative is fast becoming the norm for organizations of all sizes. But with greater exposure to information technology assets comes greater information security risks. And just as enterprises replace conventional mobile phones with newer handhelds that offer datacentric tools and access to sensitive information, IT departments are increasingly being forced to retool their data defense requirements to account for smartphone and PDA use.