IJIRCSTJournal International Journal of Innovative Research in Computer Science and Technology I S Volume 3 Issue 1 Computer Science and Engineering English January - February 2015 N N Y 2019 11 27 Computer Sciences Alternative Approach of Handling DOS Vs Mobility Management with Effective Utilization of Client’s Needs English Y 6 8 Jayamoorthy.S English Y Gosaladevi. G, English N Sathiyanarayanan.P English N Nowadays, a wide range of money flow involved through network communication or wireless communication such as online transaction, mobile transaction, e-payment etc., but yet the 100% security towards the client side opinion not satisfied. Here consider a simple secure authentication criteria for providing security towards ATM’s user while cash withdrawal. Because ATM faces lot of security issues such as: Reputation, High rate flooding attacks, Denial of services(DOS), mail bomb, etc., In order to overcome these issues the mobile management authentication is used to provide alternative transaction based solution towards the ATM’s user during their normal transaction. Through this better solution obtained between service management for users with immediate response program for entire networks application. English ATM, DOS, mail bomb https://ijircst.org/abstract.php?article_id=132