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International Journal of Security Technology for Smart Device

Volume 4, No. 1, 2017, pp 9-16
http://dx.doi.org/10.21742/ijstsd.2017.4.1.02

Abstract



Graphical Password Authentication



    Isha Pant1 , Abhishek Pal2, Megha Mehra3, Pragya Baluni4
    1,2,3Computer Science Student, THDC Institute of Hydropower Engineering and Technology, Tehri Garhwal
    4Assistant Professor CSE, THDC-IHET


    Abstract

    In this paper we presented an important method for Password Authentication i.e Graphical password Authentication which is one of the promising alternatives of textual passwords we generally use. The authentication method we use today is alphanumerical usernames and passwords worldwide. The thing is people basically choose passwords that they can easily memorize and those passwords are simply cracked by attackers. Due to their simplicity attackers can guess them easily. This paper is basically concerned on enhanced user graphical password authentication with an usability and memorability, so that people can select more random or more difficult to guess passwords for use. On the other hand, if a password is hard to guess, then it is often hard to remember too. To address this problem, researchers have developed multiple authentication based techniques that use pictures as. This schemes have been proposed and said to be as a possible alternative to text-based schemes, motivated by the sayings that we humans are good in memorizing patterns better than text; studies also supports this sayings . A main drawback of this password schemes is that they are more vulnerable to shoulder surfing attacks in comparison to the alphanumeric text passwords .When people use their passwords of anything in a public places you never know, they may be at risk of attackers stealing their password by any condition. An attacker can capture a password by direct observation or by recording the individual’s authentication session. This problem is referred to as shoulder surfing and is a known risk in today’s world. Using a graphical password, users click on images rather than type alphanumeric characters.


 

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