ELECTRONIC APPARATUS AND CONTROLLING METHOD THEREOF

A controlling method of an electronic apparatus is provided. The controlling method of the electronic apparatus includes monitoring whether an application executed by the electronic apparatus performs a potentially malicious action, detecting that the application is a suspicious application based on the monitoring of the potentially malicious action, and isolating the suspicious application. The isolating may include at least one of: blocking communication with other applications stored in the electronic apparatus (or executed by the electronic apparatus) or blocking access to a shared memory (or shared directory). The controlling method may also include, based on the suspicious application being identified as not being malicious after the isolating of the suspicious application, releasing the isolating of the suspicious application.