How can you design an authentication system that handles different users and roles?

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An authentication system is a crucial component of any web or mobile application that requires users to log in and access different features and resources. However, designing an authentication system that handles different users and roles can be challenging, as you need to consider various aspects such as security, scalability, usability, and performance. In this article, we will explore some key steps and best practices to help you design an authentication system that meets your needs and expectations.

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Alina Downum

★ Sr Software Engineering Manager ★
mahesh Ramichetty

Enterprise Architecture | DEVSECOPS | Technology Leadership| 6X AWS | 4X Azure| Digtal transformation|…
Anayet Aranda

UX/UI Designer Sr.

1 Choose an authentication protocol

The first step is to choose an authentication protocol that defines how your system will verify the identity and credentials of your users. There are many protocols available, such as Basic Authentication, OAuth, OpenID Connect, SAML, and JWT. Each protocol has its own advantages and disadvantages, depending on your use case, security requirements, and integration options. You should research and compare the different protocols and select the one that suits your system the best.

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Alina Downum

★ Sr Software Engineering Manager ★
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It is important to establish high-level requirements before beginning the design of any system, including authentication. Here are some topics to help you get started: - Purpose: Understanding its purpose will help you determine the appropriate level of security and the type of authentication method to use. - Security: Password complexity, two-factor authentication, and session management. - User: What do the users need in an authentication system, such as ease of use, password reset options, and account recovery? - Performance: Response time and scalability. - Compliance: HIPAA, PCI DSS, and GDPR. - Integration: Compatibility with existing systems and third-party applications.

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mahesh Ramichetty

Enterprise Architecture | DEVSECOPS | Technology Leadership| 6X AWS | 4X Azure| Digtal transformation| Lowcode-NoCode|gRPC|APISec Certified|Process Mining|Data First|Hyper Orchestration|Convergence of Data and GenAI
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Below are the Authentication Protocols OAuth 2.0 OpenID: OpenID Connect SAML Kerberos: LDAP Most commonly used for the end user or the System Authentication are SAML, Open ID, and Oauth 2.0 ( SAML being the Most leveraged by Active Directory Users to define the Groups, Map The Roles and then the Users or the applications. Kerberos authentication is used between the Systems to authenticate. JWT is related to the Authorization of the application users to keep the access levels. On Top of SAML where the Authentication and Authorization are defined in systems like AD, JWT is another level token for defining the access of the user, that is maintained within the application based on Persona.

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2 Define your user and role models

The next step is to define your user and role models, which will determine how your system will store, manage, and authorize your users and their permissions. You should design your user model to include the relevant information and attributes that you need to identify and authenticate your users, such as username, email, password, and profile. You should also design your role model to specify the different roles that your users can have, such as admin, manager, editor, or viewer, and the corresponding access levels and privileges that each role can grant or deny.

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mahesh Ramichetty

Enterprise Architecture | DEVSECOPS | Technology Leadership| 6X AWS | 4X Azure| Digtal transformation| Lowcode-NoCode|gRPC|APISec Certified|Process Mining|Data First|Hyper Orchestration|Convergence of Data and GenAI
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Below are the steps to define the User model and Role Models to be mapped along with the OWASP top 10 Security standards. Role Model being the Crux of the System User Model: User ID, Username, Email, Password, Profile Information, Roles Role Model: Role ID, Role Name: A label (e.g., "Admin," "Manager," "Editor," "Viewer"), Description, Permissions Next steps: User Registration and Authentication Role Assignment Permission Assignment: Level of access mapped to the Role Model Security at the application level (OWASP Top 10): Implement security best practices, including protection against common web vulnerabilities like SQL injection, Cross-Site Scripting (XSS), and Cross-Site Request Forgery (CSRF)

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3 Implement your authentication logic

The third step is to implement your authentication logic, which will handle the core functionality of your system, such as registration, login, logout, password reset, and session management. You should use a secure and reliable framework or library that supports your chosen authentication protocol and provides the necessary features and methods to implement your authentication logic. You should also follow the best practices for authentication logic, such as hashing and salting passwords, using HTTPS and SSL/TLS, generating and validating tokens, and implementing CSRF and XSS protection.

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Anayet Aranda

UX/UI Designer Sr.
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Según mi experiencia, lo principal es identificar los patrones dentro de la lógica de autenticación para comenzar a identificar las variables que nos harán pasar de un modelo simple a otro complejo.

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4 Design your authentication UI

The fourth step is to design your authentication UI, which will provide the user interface and experience for your system, such as forms, buttons, links, and messages. You should design your authentication UI to be simple, intuitive, and consistent, and to follow the principles of usability and accessibility. You should also design your authentication UI to be responsive and adaptive, and to work well across different devices, browsers, and screen sizes.

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Anayet Aranda

UX/UI Designer Sr.
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Consideraría importante también a?adir la existencia de helpers, muchas veces en la creación de las interfaces se dan por hecho a la hora de dise?ar pero es un elemento tan valioso en usabilidad que deberíamos tenerlo siempre en mente.

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5 Test and evaluate your authentication system

The final step is to test and evaluate your authentication system, which will ensure that your system works as expected and meets your quality and security standards. You should test and evaluate your authentication system from different perspectives, such as functionality, performance, security, and user feedback. You should use various tools and methods to test and evaluate your authentication system, such as unit testing, integration testing, load testing, penetration testing, and user testing.

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Anayet Aranda

UX/UI Designer Sr.
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A mi me ha resultado muy útil aplicar entrevistas con pruebas de usabilidad para conocer los pain points de mis usuarios y adicionalmente agregar evaluaciones heurísticas que me ayuden a complementar esta fase. Cabe recalcar que siempre será un proceso iterativo.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you design an authentication system that handles different users and roles?

1

2

3

4

5

6

1 Choose an authentication protocol

2 Define your user and role models

3 Implement your authentication logic

4 Design your authentication UI

5 Test and evaluate your authentication system

6 Here’s what else to consider

System Architecture

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How can you design an authentication system that handles different users and roles?

1

2

3

4

5

6

1 Choose an authentication protocol

2 Define your user and role models

3 Implement your authentication logic

4 Design your authentication UI

5 Test and evaluate your authentication system

6 Here’s what else to consider

System Architecture

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