FUNCTION-LEVEL LOCK FOR MOBILE DEVICE SECURITY

One embodiment provides an electronic mobile device comprising one or more mobile applications. Each mobile application has at least one corresponding graphical user interface (GUI) screen for display on the mobile device. The mobile device further comprises a security system. For each mobile application, the security system maintains corresponding security data, wherein the corresponding security data represents one or more secure components of a corresponding GUI screen. The security system generates a GUI screen for a mobile application based on corresponding security data, wherein each secure component of the UI screen is locked. User access to a locked component of the GUI screen is permitted only after successful user verification.