Wvdial insecure conf?

I've compiled and installed wvdial a dialer for dial up connection and the program wvdialconf generate a file called wvdial.conf. In this file : AT strings, username, pass and another setting like /etc/ppp/options. But now the problem, with ls -l -rw-r--r-- 1 root root 335 Aug 1 18:21 wvdial.conf...