Mobile terminal data security protection method and device based on cloud control

The invention provides a mobile terminal data security protection method and device based on cloud control. The method comprises the following steps: establishing a control association channel between a cloud and a mobile terminal; establishing a hierarchical encryption rule model and a hierarchical encryption storage rule model; establishing a remote control model; and establishing a terminal self-protection rule model. According to the invention, the real-time data security of the mobile terminal is ensured; encrypted storage of data is ensured to be realized at both the mobile terminal and the cloud; different classes and different importance degrees of data of the mobile terminal are encrypted at different levels, so that the data security of the mobile terminal when the mobile terminal is lost and is maliciously opened is ensured. 本发明提出一种基于云端控制的移动终端数据安全保护方法及装置，建立云端与移动终端的控制关联通道；建立分级加密规则模型与分级加密存储规则模型；建立远程控制模型；建立终端自保规则模型。本发明保证移动终端的实时的数据安全性；保证在移动终端和云端均实现数据的加密存储；对移动终端的不同类别不同重要程度的数据进行不同等级的加密，保证移动终端在丢失并受到恶意开启时的