A computing system includes: a control unit configured to: obtain an information release setting for a raw user information, the raw user information including an information attribute; determine an information format for the information attribute of the raw user information; determine a privacy notion based on the information release setting; generate perturbed user information from the information attribute based on the privacy notion, wherein the information format for the raw user information is preserved in the perturbed user information; and a communication unit, coupled to the control unit, configured to transmit the perturbed user information.