Abstract: Day by day, the mobile user are rapidly increased thatís why, the chances of mobile losses are also increased. Apple, Sony, OnePlus5, LG, Moto z having more security like face recognition, finger print, voice recognition. But they having high cost. Because of high cost middle class people cannot afford these phones. But some mobile have low cost. Due to low cost, it doesnít provide that much security as compare to high cost mobile phones. Mobile Self Encryption allows users to store sensitive data on their mobile phones without having to worry about is confidentiality even if the mobile is lost. This Application concentrates on securing data on mobile phones by storing it an encrypted form.User is install app on their phone and it performs various operations.If user mobile device is lost it login on portal and update status with lost for deleted secrete key.

Keywords: Cloud, Encryption, Decryption, Confidentiality