A Prevention of data theft such as bank account numbers, credit
card information, passwords, work related documents, etc. is
essential in today’ communication systems, since many of our
daily activities depend on the security of the data networks.
Although Graphical Authentication Systems have been playing
an important role in balking various kinds of bot attacks by
acting as an additional mechanism over alphanumeric passwords,
yet they have not been used for human authentication to its full
potential. By exploiting its feature of easy memorability and the
possibility of quadrillion permutation and combination of images
that could form the graphical password, an independent human
authentication system can be made. Thus, Graphical Password by
Segmentation of Image is one such system that attempts to
exploit the aforementioned criteria. This system segments the
image like a grid, which has a maximum of 8 columns and 8
rows. Then, each segment of the image is dragged in a particular
sequence onto an empty grid of size 8x8 and placed on a
particular segment of the empty grid, to form the user’ password.
If the user chooses to shuffle the segments during registration,
the image segments will be presented in a shuffled manner when
the user logs into the system and the user needs to drag each
segment of the image onto the same empty grid of size 8x8 in the
correct sequence and position of the segments that user had
specified during registration.
Rupali Deshmukh : Department of Information Technology, Fr. C. Rodrigues Institute of Technology, Vashi
Navi Mumbai, Maharashtra, India,400703.
Smita Rukhande : Department of Information Technology, Fr. C. Rodrigues Institute of Technology, Vashi
Navi Mumbai, Maharashtra, India,400703.
Data Theft, Communication Systems,
Security, Bot Attacks, Alphanumeric Password,
Graphical Password, Memorability
Graphical passwords offers better security than textbased
passwords because many people, in an attempt to
memorize text-based passwords, use plain words rather
than the recommended jumble of characters. A
dictionary search can often hit on a password and allow
a hacker to gain entry into a system in seconds. But in a
series of selectable images, possible combinations that
could form the graphical password are so many that it
would take millions of years to break into the system.
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