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Securing online password guessing attack
1. 1
Defenses Against Password Guessing Attacks By Using Persuasive Click Point
Presentation On :-
Presented By :-
Saurav Sinha
(Computer Science Engg.)
2. Contents
Objective
Traditional Graphical Password System
Classification of Passwords
Disadvantages of Existing System
Persuasive Cued Click Points (PCCP)
System Architecture
Advantages
Conclusion
References
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3. Objective
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To force users to select more random, and difficult passwords
to guess.
To provide better security and easy to remember passwords in
the form of pictures.
To provide more secure authentication.
To provide user friendly environment to create password.
4. Traditional Graphical Password System
1. Recognition Based Techniques
2. Recall based techniques :-
Pass Points (PP)
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6. Disadvantages Of Existing System
Token based system requires support of knowledge
based system (Keys, Smartcards etc.)
Knowledge based passwords are easily cracked by brute
force and dictionary attacks (Text & Alphanumeric
numbers)
Biometrics based system is more complex and costly
(Fingerprint, Retina, Face Geometry etc.)
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7. Persuasive Cued Click Point (PCCP)
Select a click-point
within the view port.
Shuffle button to
randomly reposition
the view port
View port guides users
to select more random
passwords
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10. Advantages
Better to remember a picture then an alphanumeric passwords.
More restrictive against brute force and dictionary attacks
More effective in preventing password guessing attacks
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11. Conclusion
There is a growing interest for Graphical passwords since they are
better than Text based passwords, although the main argument for
graphical passwords is that people are better at memorizing
graphical passwords than text-based passwords
Persuasive Click point method provides greater security than other
password methods.
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