R.Dhaya, M.Poongodi
As mobile phones has become more commonly used gadget. Proportionately it has become increasingly difficult to secure them against attacks in the form of viruses or other malwares. Malwares are malevolent Software's. That can disrupt the operation as well as function of the mobile phones like smart phones, Tablets, Personal Digital Assistant and transmit or modify user data .Mobile virus can cause system failure, wasting memory resources, corrupting data and also increasing the charges of maintenance cost. So Mobile Security is has become very important one in mobile computing. This paper discusses the several techniques of malware detection or preventions such as Signature based detection, Behavior based detection, Support Vector Machine, N-gram etc, to detect the malwares such as virus, worms etc.