Everyone using internet is concerned about security mainly in case of online transactions like railway ticket booking, flight ticket booking and many more. Password can be stolen, phished or simply lost. Security experts are trying to create a better way for authenticating identity. One of the ways to up security is by introducing another level of security above username and password. This is known as two factor authentication (2FA). 2FA is simple -a hardware generates a code which user need to enter with their passwords in website.
Verisign, a company, has brought 2FA to a new form - the mobile phone. Users have to register and acquire a credential ID which can be linked to a number of user id on different sites. This number is locked to J2ME application that can be downloaded for free on any compatible phones. This application generates a six digit code which changes every 30 seconds. The credential id is registered with a relying web service. Every time you want to login to your web service you have to put the six digit code with your id and password. Many websites such has Paypal, Ebay have this as an optional layer of security. with the help of this hacker will not only have to steal your password he should reach physically to you to steal your mobile.
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