The purpose of this document is to provide an overview on the growth on mobile phone and PDA devices and use in business-oriented modern day life style. The explosion of smartphones in enterprise and personal computing heighten the concerns of security and privacy of users. Now a day's use of mobile is in every walk of life like shopping, trading, paying bill and even using internet banking. But with these facilities some draw backs are also there. Recent studies have shown that applications

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... host new types of malware. This discussion explores smartphone security through several research works and how user himself can avoid from data hacking and other insecurities.