Graphical password
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A graphical password is an authentication system that works by having the user select from images, in a specific order ,presented in a graphical user interface (GUI). For this reason, the graphical-password approach is sometimes called graphical user authentication.
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Graphical Password Authentication
note: A slide for any presentation should not contain more than 4-5 sentences but this presentation has more than the requirement.So, i suggest you to edit as per your requirement and to make it more effective, you can add animations as well.
11aman
This document discusses graphical passwords as an alternative authentication method to text passwords. It provides an introduction to graphical passwords, outlines the registration and login processes, and categorizes different graphical password schemes such as recognition-based, recall-based, and draw-based techniques. The document also covers security attacks on graphical passwords, advantages like improved usability and security, and disadvantages including longer login times and increased storage needs compared to text passwords.
Shoulder surfing resistant graphical and image based login system
This document discusses the weaknesses of text-based passwords and proposes an alternative graphical password system. It summarizes that existing login systems use usernames and passwords but are vulnerable to shoulder surfing, keyloggers, and bots. It then describes a graphical password system that displays a grid of images for the user to click in a specific pattern to log in, avoiding these threats. System requirements of the proposed graphical password system are also listed.
Image based authentication
Image-based authentication (IBA) uses a set of user-selected images rather than a password for authentication. The IBA system displays an image set including key images mixed with other images. The user is authenticated by correctly identifying their key images. The document discusses IBA in detail, including potential vulnerabilities and methods to counter threats like observation attacks, brute force attacks, and frequency analysis attacks. It also covers the use of CAPTCHAs to distinguish humans and machines.
Graphical password authentication
Graphical passwords provide an alternative authentication method to alphanumeric passwords. They involve selecting images or points on images to create a password. This survey paper categorizes existing graphical password techniques as either recognition-based, where the user identifies previously selected images, or recall-based, where the user reproduces a previous creation like a drawing. While graphical passwords can be more memorable and secure, challenges include longer registration/login times and vulnerability to shoulder surfing. Proposed solutions to shoulder surfing involve using movable frames or geometric configurations like triangles.
Graphical User Authentication
Graphical passwords are an alternative authentication method that uses images instead of text. They are easier for users to remember but take longer to set up and log in. While more secure than text passwords, most schemes are vulnerable to shoulder surfing. However, techniques like movable frames could add security by countering observation. Overall, graphical passwords balance usability and security but require more development to address issues and achieve widespread adoption.
Graphical Password Authentication
This document summarizes a thesis on graphical passwords as an alternative to text-based passwords. Graphical passwords use images instead of text and are easier for users to remember. They provide stronger security than text passwords since they are harder to guess via brute force or dictionary attacks. However, graphical passwords are vulnerable to "shoulder surfing" attacks where an observer watches the user enter their password. The document discusses recognition-based and recall-based graphical password techniques and proposes solutions like movable frames to mitigate shoulder surfing risks. It concludes that graphical passwords satisfy the conflicting needs of ease of use and security, but have not been widely adopted and current methods could still be improved.
graphicalpswrdauth-130518230955-phpapp02.pptx
1) The document discusses graphical passwords as an alternative authentication method to text passwords. Graphical passwords involve selecting images or points on images in a specific order to login.
2) Two main types of graphical passwords are discussed: recall-based, where the user reproduces a secret, and recognition-based, where the user identifies previously selected images. Specific schemes like DAS, PassPoints, and Passfaces are examined.
3) Advantages of graphical passwords include being more secure and harder to guess than text passwords. Disadvantages include taking more time to login, requiring more storage space, and vulnerability to shoulder surfing. Overall, graphical passwords provide a more user-friendly option but still have limitations to widespread adoption
Recommended
Graphical Password Authentication
note: A slide for any presentation should not contain more than 4-5 sentences but this presentation has more than the requirement.So, i suggest you to edit as per your requirement and to make it more effective, you can add animations as well.
11aman
This document discusses graphical passwords as an alternative authentication method to text passwords. It provides an introduction to graphical passwords, outlines the registration and login processes, and categorizes different graphical password schemes such as recognition-based, recall-based, and draw-based techniques. The document also covers security attacks on graphical passwords, advantages like improved usability and security, and disadvantages including longer login times and increased storage needs compared to text passwords.
Shoulder surfing resistant graphical and image based login system
This document discusses the weaknesses of text-based passwords and proposes an alternative graphical password system. It summarizes that existing login systems use usernames and passwords but are vulnerable to shoulder surfing, keyloggers, and bots. It then describes a graphical password system that displays a grid of images for the user to click in a specific pattern to log in, avoiding these threats. System requirements of the proposed graphical password system are also listed.
Image based authentication
Image-based authentication (IBA) uses a set of user-selected images rather than a password for authentication. The IBA system displays an image set including key images mixed with other images. The user is authenticated by correctly identifying their key images. The document discusses IBA in detail, including potential vulnerabilities and methods to counter threats like observation attacks, brute force attacks, and frequency analysis attacks. It also covers the use of CAPTCHAs to distinguish humans and machines.
Graphical password authentication
Graphical passwords provide an alternative authentication method to alphanumeric passwords. They involve selecting images or points on images to create a password. This survey paper categorizes existing graphical password techniques as either recognition-based, where the user identifies previously selected images, or recall-based, where the user reproduces a previous creation like a drawing. While graphical passwords can be more memorable and secure, challenges include longer registration/login times and vulnerability to shoulder surfing. Proposed solutions to shoulder surfing involve using movable frames or geometric configurations like triangles.
Graphical User Authentication
Graphical passwords are an alternative authentication method that uses images instead of text. They are easier for users to remember but take longer to set up and log in. While more secure than text passwords, most schemes are vulnerable to shoulder surfing. However, techniques like movable frames could add security by countering observation. Overall, graphical passwords balance usability and security but require more development to address issues and achieve widespread adoption.
Graphical Password Authentication
This document summarizes a thesis on graphical passwords as an alternative to text-based passwords. Graphical passwords use images instead of text and are easier for users to remember. They provide stronger security than text passwords since they are harder to guess via brute force or dictionary attacks. However, graphical passwords are vulnerable to "shoulder surfing" attacks where an observer watches the user enter their password. The document discusses recognition-based and recall-based graphical password techniques and proposes solutions like movable frames to mitigate shoulder surfing risks. It concludes that graphical passwords satisfy the conflicting needs of ease of use and security, but have not been widely adopted and current methods could still be improved.
graphicalpswrdauth-130518230955-phpapp02.pptx
1) The document discusses graphical passwords as an alternative authentication method to text passwords. Graphical passwords involve selecting images or points on images in a specific order to login.
2) Two main types of graphical passwords are discussed: recall-based, where the user reproduces a secret, and recognition-based, where the user identifies previously selected images. Specific schemes like DAS, PassPoints, and Passfaces are examined.
3) Advantages of graphical passwords include being more secure and harder to guess than text passwords. Disadvantages include taking more time to login, requiring more storage space, and vulnerability to shoulder surfing. Overall, graphical passwords provide a more user-friendly option but still have limitations to widespread adoption
3 d secure password
Jaiprakash gave a seminar presentation on 3-D secure passwords. The presentation outlined existing authentication techniques like textual and graphical passwords and their drawbacks. It proposed a 3D password scheme that combines existing authentication factors like passwords, biometrics, and tokens within a 3D virtual environment to provide stronger authentication. The 3D passwords offer advantages like flexibility, strength through large key spaces, and ease of memorization through story-based cues. They could be applied to servers, military facilities, and other systems requiring high security authentication.
Vc pred
This document describes a proposed system for implementing visual cryptography for biometric images with hashing and steganography for secure authentication. The system splits a user's fingerprint image into two shares, hashes the shares, and uses one share for authentication along with a one-time password. It aims to improve on existing systems by adding an additional layer of security through visual cryptography, hashing, and steganography compared to traditional username/password authentication. The system flow includes user registration, splitting the fingerprint into shares, hashing the shares, storing one on the server and giving the other to the user, and authenticating by combining and comparing the hashes.
Technical.pdf
This document provides an overview of graphical password authentication techniques. It begins with an introduction to the limitations of traditional text passwords and an overview of different authentication methods. It then describes recognition-based and recall-based graphical password techniques. A new proposed technique is presented, involving selecting themes or sequences of distorted images. Major design and implementation issues are discussed, such as security, usability, and storage. The document concludes that graphical passwords are an alternative to text passwords but more research is still needed to evaluate their usability and security.
Multi Factor Authentication using 3D password
The
design of secure authentication is quite challenging Text
passwords need to be stored or remembered Generally simple
passwords are set so as to quickly recall them The proposed
system will replace this with a 3 D password Once implemented
and you log in to a secure site, the 3 D password GUI opens up
There is an additional textual password which the user can simply
put Once he goes through the first authentication, a 3 D virtual
room will open on the screen
3D Password
3-D PASSWORD is a way of more secured authentication in which password is created in 3d environment.
3d password is a combination of recognition, recall, token, and biometrics based systems.
3D password is a multifactor authentication scheme in which we require a 3D virtual environment for authentication.
Users have choice to select the type of authentication technique.This freedom of selection is necessary because users are different and they have different requirements.
The 3D password presents a virtual environment containing various virtual objects. The user walks through the environment and interacts with the objects .
3D Password have authentication than other system.
Graphical password authentication
Password is a secret word or string of characters used to authenticate identity and access resources like accounts, emails, apps, networks, websites and databases. Common types of authentication include token-based using keys or cards, biometric using fingerprints or facial recognition, and knowledge-based using text or graphical passwords, which are the most widely used. Graphical passwords present images and require the user to select or click points in a specific order for authentication. They provide more security than text passwords but also have drawbacks like taking more time and storage and being vulnerable to shoulder surfing.
Graphical Password by Image Segmentation
This document discusses graphical passwords as an alternative to traditional text-based passwords. It provides an overview of existing graphical password authentication techniques, which fall into two categories: recognition-based and memory-based approaches. The paper also proposes a new image-based graphical password system that segments a submitted image into pieces and authenticates the user based on their ability to reassemble the original image from scrambled pieces. The system aims to provide password security comparable to text-based passwords while addressing issues like shoulder surfing.
3DPassword_AakashTakale
The document describes a proposed 3D password authentication scheme. It begins with an overview of current authentication methods like passwords, graphical passwords, and biometrics. It then introduces the 3D password concept, which combines recognition, recall, tokens, and biometrics within a 3D virtual environment. Users could perform actions like selecting images, using devices, and providing fingerprints to create a unique 3D password. The document discusses advantages like improved security over text passwords and outlines some potential applications, attacks to counter, disadvantages, and ideas for future enhancements like making the system accessible on mobile devices.
Graphical password authentication
This document discusses graphical password authentication as an alternative to text passwords. It provides an overview of different authentication methods before focusing on the drawbacks of text passwords. Graphical passwords are introduced as a way to make passwords more secure yet easier for users. The document then surveys two categories of graphical passwords - recall-based techniques which require reproducing a password and recognition-based techniques involving identifying pre-selected images. It concludes by discussing the advantages and disadvantages of graphical passwords.
Pptforpicturepasswordauthentication 130125073736-phpapp02
This document discusses graphical password authentication methods. It outlines recognition-based and recall-based techniques, such as selecting images and recreating drawings. Recognition techniques include picking images and identifying them later. Recall techniques involve reproducing a sequence, like clicking points on an image. The document evaluates the security and usability of different methods. While graphical passwords can be more secure than text passwords, they also take longer and are vulnerable to shoulder surfing. Potential solutions to shoulder surfing involve using movable frames or complex image schemes. Overall, the document argues that graphical passwords provide an alternative to text passwords but require more research.
finale.ppt.pptx
This document describes a graphical password authentication system project. The project aims to create a more secure authentication method than traditional text passwords by using images and click points. It will have hardware and software requirements and address problems with standard passwords like dictionary attacks. The objectives are to understand human memory for visual information and have users click points on an image as their password. It will provide security advantages over text passwords and be more user-friendly.
Graphicalpasswordauthentication 130907104619-
The document discusses passwords and graphical passwords. It defines a password as a secret word or string used to authenticate identity for access to resources. Graphical passwords use images rather than text, where the user selects images or click points within images to log in. The document outlines different types of graphical password schemes, including click-based schemes where the user clicks points on images in a specific order (like PassPoints), and recognition-based schemes where the user identifies previously selected images. It notes that while graphical passwords can provide more security, they also have disadvantages like taking more time and storage space compared to text passwords.
IRJET- Securing Social Media using Pair based Authentication
This document proposes and summarizes two pair-based authentication schemes for securing social media accounts. The first scheme is a hybrid textual authentication scheme that generates one-time session passwords combining text and colors. The second scheme is a pair-based authentication scheme that uses images or icons in pairs to generate one-time session passwords. Existing graphical password schemes are reviewed, including recognition-based, recall-based, and hybrid techniques. The proposed schemes aim to provide stronger security than textual passwords by generating unique passwords per session that cannot be reused, while avoiding some disadvantages of other graphical passwords like memorability issues or longer login times.
IRJET - Securing Social Media using Pair based Authentication
This document proposes and summarizes two pair-based authentication schemes for securing social media accounts. The schemes aim to improve upon traditional text passwords which are vulnerable to dictionary attacks, shoulder surfing, and other threats.
The first scheme is a hybrid textual authentication scheme that generates one-time session passwords combining text and colors. The second is a pair-based authentication scheme that presents the user with pairs of images and requires them to select the correct matching pairs to log in.
The document reviews related work on graphical passwords and discusses their advantages over text passwords in usability and security, though some schemes have their own downsides around memorability, time to authenticate, and vulnerability to shoulder surfing. It aims to address these
Review 1 (1) (1).pptx
This document discusses a proposed web-based graphical password authentication system. Graphical passwords use images instead of alphanumeric passwords to help users more easily remember secure passwords that are difficult to crack using brute force attacks. The proposed system will allow users to set a password using points on an image and will include features for password analysis and generation. It will be developed as a web application using HTML, CSS, JavaScript, PHP, and SQL with a planned timeline.
Context Based Authentication
Contextual Authentication, also known as Risk-based Authentication, is matching the level of authentication to the expected impact of the surrounding events. Simply put, contextual authentication dynamically establishes the level of credibility of each user in real-time and uses this information to change the level of authentication required to access an application. Please see a link to live tutorial here: http://pg.portalguard.com/contextual_authentication_tutorial
A presentation on graphical passwords
A final year seminar presentation from the final year students of Computer Science University of Abuja 2020/2021 set.
558 120127064951-phpapp01
The document discusses different types of authentication methods, including recognition and recall-based graphical password techniques. It surveys several existing graphical password schemes such as Dhamija and Perrig's hash visualization method, Sobrado and Birget's pass-object method, and Jermyn et al.'s Draw-a-Secret method. While graphical passwords may offer a larger password space and be more resistant to dictionary attacks than text passwords, they also have drawbacks such as taking longer to create, requiring more storage space, and sometimes being difficult to remember. Future research directions are needed to address the limitations of current graphical password techniques.
3D Passwrd
The document proposes a 3D password authentication system that combines multiple existing authentication factors. Users can select whether their password is based on recall, biometrics, recognition, tokens, or a combination. In the system, users navigate a virtual 3D environment and interact with virtual objects, with their interactions forming their unique password. The system aims to provide strong, flexible authentication while respecting user privacy. Some example interactions include typing on a virtual keyboard, using a fingerprint scanner, or drawing on a whiteboard. The system has advantages like password strength and ease of memorization but also challenges like cost and accessibility for blind users.
Defence against large scale online guessing attacks using persuasive cued cli...
Why no to text passwords???
Easy to remember ---- Easy to guess.
Users tend to use same password for different accounts.
An Alternative : GRAPHICAL PASSWORDS
->Humans can remember pictures better than text.
->Hard to decode.
->Overcoming SQL Injection.
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Similar to Graphical password
3 d secure password
Jaiprakash gave a seminar presentation on 3-D secure passwords. The presentation outlined existing authentication techniques like textual and graphical passwords and their drawbacks. It proposed a 3D password scheme that combines existing authentication factors like passwords, biometrics, and tokens within a 3D virtual environment to provide stronger authentication. The 3D passwords offer advantages like flexibility, strength through large key spaces, and ease of memorization through story-based cues. They could be applied to servers, military facilities, and other systems requiring high security authentication.
Vc pred
This document describes a proposed system for implementing visual cryptography for biometric images with hashing and steganography for secure authentication. The system splits a user's fingerprint image into two shares, hashes the shares, and uses one share for authentication along with a one-time password. It aims to improve on existing systems by adding an additional layer of security through visual cryptography, hashing, and steganography compared to traditional username/password authentication. The system flow includes user registration, splitting the fingerprint into shares, hashing the shares, storing one on the server and giving the other to the user, and authenticating by combining and comparing the hashes.
Technical.pdf
This document provides an overview of graphical password authentication techniques. It begins with an introduction to the limitations of traditional text passwords and an overview of different authentication methods. It then describes recognition-based and recall-based graphical password techniques. A new proposed technique is presented, involving selecting themes or sequences of distorted images. Major design and implementation issues are discussed, such as security, usability, and storage. The document concludes that graphical passwords are an alternative to text passwords but more research is still needed to evaluate their usability and security.
Multi Factor Authentication using 3D password
The
design of secure authentication is quite challenging Text
passwords need to be stored or remembered Generally simple
passwords are set so as to quickly recall them The proposed
system will replace this with a 3 D password Once implemented
and you log in to a secure site, the 3 D password GUI opens up
There is an additional textual password which the user can simply
put Once he goes through the first authentication, a 3 D virtual
room will open on the screen
3D Password
3-D PASSWORD is a way of more secured authentication in which password is created in 3d environment.
3d password is a combination of recognition, recall, token, and biometrics based systems.
3D password is a multifactor authentication scheme in which we require a 3D virtual environment for authentication.
Users have choice to select the type of authentication technique.This freedom of selection is necessary because users are different and they have different requirements.
The 3D password presents a virtual environment containing various virtual objects. The user walks through the environment and interacts with the objects .
3D Password have authentication than other system.
Graphical password authentication
Password is a secret word or string of characters used to authenticate identity and access resources like accounts, emails, apps, networks, websites and databases. Common types of authentication include token-based using keys or cards, biometric using fingerprints or facial recognition, and knowledge-based using text or graphical passwords, which are the most widely used. Graphical passwords present images and require the user to select or click points in a specific order for authentication. They provide more security than text passwords but also have drawbacks like taking more time and storage and being vulnerable to shoulder surfing.
Graphical Password by Image Segmentation
This document discusses graphical passwords as an alternative to traditional text-based passwords. It provides an overview of existing graphical password authentication techniques, which fall into two categories: recognition-based and memory-based approaches. The paper also proposes a new image-based graphical password system that segments a submitted image into pieces and authenticates the user based on their ability to reassemble the original image from scrambled pieces. The system aims to provide password security comparable to text-based passwords while addressing issues like shoulder surfing.
3DPassword_AakashTakale
The document describes a proposed 3D password authentication scheme. It begins with an overview of current authentication methods like passwords, graphical passwords, and biometrics. It then introduces the 3D password concept, which combines recognition, recall, tokens, and biometrics within a 3D virtual environment. Users could perform actions like selecting images, using devices, and providing fingerprints to create a unique 3D password. The document discusses advantages like improved security over text passwords and outlines some potential applications, attacks to counter, disadvantages, and ideas for future enhancements like making the system accessible on mobile devices.
Graphical password authentication
This document discusses graphical password authentication as an alternative to text passwords. It provides an overview of different authentication methods before focusing on the drawbacks of text passwords. Graphical passwords are introduced as a way to make passwords more secure yet easier for users. The document then surveys two categories of graphical passwords - recall-based techniques which require reproducing a password and recognition-based techniques involving identifying pre-selected images. It concludes by discussing the advantages and disadvantages of graphical passwords.
Pptforpicturepasswordauthentication 130125073736-phpapp02
This document discusses graphical password authentication methods. It outlines recognition-based and recall-based techniques, such as selecting images and recreating drawings. Recognition techniques include picking images and identifying them later. Recall techniques involve reproducing a sequence, like clicking points on an image. The document evaluates the security and usability of different methods. While graphical passwords can be more secure than text passwords, they also take longer and are vulnerable to shoulder surfing. Potential solutions to shoulder surfing involve using movable frames or complex image schemes. Overall, the document argues that graphical passwords provide an alternative to text passwords but require more research.
finale.ppt.pptx
This document describes a graphical password authentication system project. The project aims to create a more secure authentication method than traditional text passwords by using images and click points. It will have hardware and software requirements and address problems with standard passwords like dictionary attacks. The objectives are to understand human memory for visual information and have users click points on an image as their password. It will provide security advantages over text passwords and be more user-friendly.
Graphicalpasswordauthentication 130907104619-
The document discusses passwords and graphical passwords. It defines a password as a secret word or string used to authenticate identity for access to resources. Graphical passwords use images rather than text, where the user selects images or click points within images to log in. The document outlines different types of graphical password schemes, including click-based schemes where the user clicks points on images in a specific order (like PassPoints), and recognition-based schemes where the user identifies previously selected images. It notes that while graphical passwords can provide more security, they also have disadvantages like taking more time and storage space compared to text passwords.
IRJET- Securing Social Media using Pair based Authentication
This document proposes and summarizes two pair-based authentication schemes for securing social media accounts. The first scheme is a hybrid textual authentication scheme that generates one-time session passwords combining text and colors. The second scheme is a pair-based authentication scheme that uses images or icons in pairs to generate one-time session passwords. Existing graphical password schemes are reviewed, including recognition-based, recall-based, and hybrid techniques. The proposed schemes aim to provide stronger security than textual passwords by generating unique passwords per session that cannot be reused, while avoiding some disadvantages of other graphical passwords like memorability issues or longer login times.
IRJET - Securing Social Media using Pair based Authentication
This document proposes and summarizes two pair-based authentication schemes for securing social media accounts. The schemes aim to improve upon traditional text passwords which are vulnerable to dictionary attacks, shoulder surfing, and other threats.
The first scheme is a hybrid textual authentication scheme that generates one-time session passwords combining text and colors. The second is a pair-based authentication scheme that presents the user with pairs of images and requires them to select the correct matching pairs to log in.
The document reviews related work on graphical passwords and discusses their advantages over text passwords in usability and security, though some schemes have their own downsides around memorability, time to authenticate, and vulnerability to shoulder surfing. It aims to address these
Review 1 (1) (1).pptx
This document discusses a proposed web-based graphical password authentication system. Graphical passwords use images instead of alphanumeric passwords to help users more easily remember secure passwords that are difficult to crack using brute force attacks. The proposed system will allow users to set a password using points on an image and will include features for password analysis and generation. It will be developed as a web application using HTML, CSS, JavaScript, PHP, and SQL with a planned timeline.
Context Based Authentication
Contextual Authentication, also known as Risk-based Authentication, is matching the level of authentication to the expected impact of the surrounding events. Simply put, contextual authentication dynamically establishes the level of credibility of each user in real-time and uses this information to change the level of authentication required to access an application. Please see a link to live tutorial here: http://pg.portalguard.com/contextual_authentication_tutorial
A presentation on graphical passwords
A final year seminar presentation from the final year students of Computer Science University of Abuja 2020/2021 set.
558 120127064951-phpapp01
The document discusses different types of authentication methods, including recognition and recall-based graphical password techniques. It surveys several existing graphical password schemes such as Dhamija and Perrig's hash visualization method, Sobrado and Birget's pass-object method, and Jermyn et al.'s Draw-a-Secret method. While graphical passwords may offer a larger password space and be more resistant to dictionary attacks than text passwords, they also have drawbacks such as taking longer to create, requiring more storage space, and sometimes being difficult to remember. Future research directions are needed to address the limitations of current graphical password techniques.
3D Passwrd
The document proposes a 3D password authentication system that combines multiple existing authentication factors. Users can select whether their password is based on recall, biometrics, recognition, tokens, or a combination. In the system, users navigate a virtual 3D environment and interact with virtual objects, with their interactions forming their unique password. The system aims to provide strong, flexible authentication while respecting user privacy. Some example interactions include typing on a virtual keyboard, using a fingerprint scanner, or drawing on a whiteboard. The system has advantages like password strength and ease of memorization but also challenges like cost and accessibility for blind users.
Defence against large scale online guessing attacks using persuasive cued cli...
Why no to text passwords???
Easy to remember ---- Easy to guess.
Users tend to use same password for different accounts.
An Alternative : GRAPHICAL PASSWORDS
->Humans can remember pictures better than text.
->Hard to decode.
->Overcoming SQL Injection.
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3. Practical demonstrations
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Test Automation with generative AI and Open AI.
UiPath integration with generative AI
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Graphical password
- 2. CONTENTS • What Is Graphical Password • The Survey • Recognition Based Technique • Recall Based Technique • Security Factors • Implementation And Discussion • Advantages • Drawbacks • Conclusion
- 3. WHAT IS GRAPHICAL PASSWORD? • A graphical password is an authentication system that works by having the user select from images, in A specific order, presented in A graphical user interface (GUI). For this reason, the graphical-password approach is called graphical user authentication (GUA). It can be used in: • Web login application • ATM machines • Mobile devices
- 4. THE SURVEY: TWO CATEGORIES • RECOGNITION BASED TECHNIQUE USING RECOGNITION-BASED TECHNIQUES, A USER IS PRESENTED WITH A SET OF IMAGES AND THE USER PASSES THE AUTHENTICATION BY RECOGNIZING AND IDENTIFYING THE IMAGES HE OR SHE SELECTED DURING THE REGISTRATION STAGE. • RECALL BASED TECHNIQUE IN THESE TECHNIQUES, USER HAS TO RECALL SOMETHING THAT HAS BEEN CREATED OR SELECTED DURING REGISTRATION.
- 6. SOBRADO AND BIRGET SCHEME
- 8. RECALL BASED TECHNIQUE • Pure recall based technique • Pass doodle technique • Signature technique • Cued recall based technique • Blonder technique • Pass point technique
- 9. PURE RECALL BASED • Here user is not provided a clue to recall a password.
- 10. PASS DOODLE TECHNIQUE • Here some handwritten text/design is drawn by the user on touch sensitive screen with stylus. During login user has to redraw the same text.
- 11. SIGNATURE TECHNIQUE • Here, during registration user has to register his own signature. For authentication user has to draw the same signature with mouse.
- 12. CUED CLICK POINTS • Cued click points (CCP) is a proposed alternative to pass points. In CCP, users click one point on each of c =8 images rather than on five points on one image.
- 13. BLONDER TECHNIQUE • In this, for password registration a predetermined image with predetermined tap regions are displayed to the user. The user has to click inside those tap regions in a sequential manner. For authentication, user has to click approximate areas of those tap regions in a predefined sequence. Here image is a clue to recall a password.
- 15. SECURITY FACTORS • Brute force • Dictionary attacks • Guessing • Shoulder surfing • Social engineering
- 16. IMPLEMENTATION AND DISCUSSION • Graphical password can be implemented in authenticating several systems and websites. The implementation has few focuses: • Password: contain image as reference & encryption algorithm. • Login: contains username, images, graphical password and related methods. • Ssr shield: contains shield for shoulder surfing. • Grids: contains unique grid values and grid clicking related methods
- 17. ADVANTAGES • Graphical password schemes provides a way of making more human-friendly passwords. • Here the security of the systems is very high. • Here we use series of selectable images on successive screen pages. • Dictionary attacks are infeasible
- 18. DRAWBACKS • Password registration and login process take too long. • Require much more storage space than text based passwords. • Because of their graphic nature, nearly all graphical password scheme are quite vulnerable to shoulder surfing
- 19. CONCLUSION • Although the main use for graphical passwords is that people are better at memorizing graphical passwords than text-based passwords, the existing user studies are very limited and there is not yet convincing evidence to support this argument. Our preliminary analysis suggests that it is more difficult to break graphical passwords using the traditional attack methods such as brute force search, dictionary attack, or spyware.
- 20. THANK YOU