Malware attacks present a great threat to the security of devices at both personal and professional levels. Each year companies incur losses worth billions due to unwanted attacks. Malware can be described as malicious self-replicating codes. Now-a-days, mobiles and Smartphone's have been the targets of attackers in the same way computers have been for the last few years. In this paper, the authors will focus on the different types of mobile attacks, their causes and rectifications. Malware attacks pose a huge threat by slowing down web based applications.