CIA is a File Encryption software integrated into the Windows explorer shell.Its features include User-friendly interface,128 bit RC2 and 168 bit DES-3key encryption supported, Digital certificates for secure file transfers, Secure deletion prevents unauthorized access to deleted files, System-wide password for all encrypted files belonging to a user, Automatic password removal from memory(CIA locking), Secure Folders(file operations are restricted to the particular user)**upgrade(many great features added) (Available free to existing registered users).