While coming with this paper we had visited many small scale industries and companies those are recently using cloud services for outsourcing there confidential data over the cloud and are suffering with some problems while exchanging keys and accessing the services. They are also worried about the recent security techniques, which are currently available. For this paper we have refer the technical paper on Secure Data Access Over Cloud Computing And Secure Data Access In Cloud Computing. With the help of these two papers we are providing a combined approach for providing security over the cloud, which mainly consist of using a Diffe-Hellman Key Exchange Protocol and Two Factor authentication technique.