1. A system, comprising: a storage system; and at least one processor to execute one or more programs stored in the storage system, the one or more programs comprising: a detecting module operable to detect a file copy operation indicative of a file being copied to an electronic clipboard of the system; a converting module operable to read file contents of the copied file listed in the electronic clipboard, and scramble the file contents using an arithmetic method; the detecting module also operable to detect a file paste operation indicative of the copied file being paste to a designated file system path; and an executing module operable to paste the scrambled file to the designated file system path.