An electronic system includes: a control unit configured to: generate an encrypted information based on encrypting an information type, generate a mapping table including the encrypted information, the information type, or a combination thereof, generate a restored information based on mapping a decomposed information of the encrypted information, categorized according to a decomposition rule, to a corresponding instance of the information type in the mapping table, and a user interface, coupled to the control unit, configure to display the restored information on an activity dashboard for receiving a user entry to calibrate the decomposition rule.