Authentication and Authorization

In this section

• Access Control Lists (ACLs): Defining Permissions for Resources
  Access Control Lists (ACLs) offer a systematic approach to defining permissions for resources in a secure and flexible manner, enabling or restricting access based on user identities or roles.
• Access Tokens: Using Tokens to Access Protected Resources
  A comprehensive exploration of Access Tokens, a security pattern used for accessing protected resources in distributed systems. This article discusses token types, issuance, validation, and revocation mechanisms, with practical Clojure implementations and examples.
• Account Lockout: Preventing Unauthorized Access Through Lockouts
  Account Lockout is a security pattern aimed at preventing brute force attacks by locking accounts after multiple failed login attempts. This pattern helps protect user accounts from unauthorized access by implementing a mechanism that temporarily or permanently locks an account after a predefined number of incorrect login attempts.
• Attribute-Based Access Control (ABAC): Using User Attributes to Control Access
  Explore the Attribute-Based Access Control (ABAC) design pattern to enhance access management by using user attributes. This pattern provides a flexible and scalable framework for managing permissions based on a combination of user, resource, and environmental attributes, leveraging Clojure for implementation.
• Biometric Authentication: Enhancing Security with Biometrics
  Biometric Authentication leverages unique biological characteristics for identity verification, providing a robust and user-friendly security mechanism.
• Contextual Authentication: Using Contextual Information to Assess Authentication Requests
  Contextual Authentication leverages contextual information, such as the user's current location, device, time of access, and behavior patterns to dynamically assess the legitimacy of authentication requests. This pattern enhances security by providing an additional layer of verification beyond traditional authentication methods, such as passwords or tokens.
• Continuous Authentication: Continuous User Verification
  Continuously verifying user identity during a session using behavioral and contextual data to enhance security in real-time.
• Credential Management: Secure Handling and Storage of User Credentials
  Exploring best practices, designs, and implementations for securely handling and storing user credentials in Clojure, leveraging security patterns and open-source frameworks.
• Decentralized Identity: Using Blockchain for Identity Management
  A comprehensive examination of decentralized identity management using blockchain technology to provide secure, user-centric identity solutions.
• Delegated Authentication: Leveraging Third-Party Services for User Authentication
  Delegated Authentication is a security pattern that allows organizations to leverage third-party services to authenticate users, reducing the burden on internal systems while maintaining secure access controls.
• Federated Identity Management: Managing Identities Across Multiple Domains
  Federated Identity Management is a security pattern that focuses on managing digital identities and their associated attributes across multiple domains, enabling seamless access to services without requiring users to maintain separate credentials for each service.
• Identity Federation: Allowing Identities to be Shared Across Systems
  Exploring Identity Federation as a security pattern that enables the sharing of digital identities across multiple security domains, enhancing user experience and maintaining access control across distributed systems.
• JSON Web Tokens (JWT): Compact Tokens for Secure Information Exchange
  Explore JSON Web Tokens (JWT) as a mechanism for securely transmitting information between parties. This article delves into the structure, usage, and best practices of JWT in authentication and authorization processes, using Clojure as the primary programming language.
• Just-In-Time Provisioning: Dynamic User Account Management
  An exploration of Just-In-Time Provisioning, a method for creating user accounts on-demand during authentication to streamline user management and enhance security.
• Kerberos Authentication: Using Tickets for Secure Authentication
  A comprehensive overview of the Kerberos Authentication pattern, which utilizes tickets for secure authentication, detailing its mechanisms, design considerations, and implementation in Clojure.
• LDAP Authentication: Using LDAP Directories for Authentication
  Explore how LDAP authentication provides a robust and centralized method for managing user credentials, facilitating secure access control with industry-standard protocols.
• Multi-Factor Authentication (MFA): Enhancing Security Through Multiple Verification Factors
  Multi-Factor Authentication (MFA) enhances security by requiring users to provide multiple forms of verification, thereby ensuring a robust defense against unauthorized access.
• OAuth2 Authorization: Delegating Access with Secure Tokens
  In-depth exploration of OAuth2 Authorization: A pattern for delegating access using secure tokens, ensuring secure identity management and permission granting across distributed systems.
• OpenID Connect: An Identity Layer on Top of OAuth2 for User Authentication
  A comprehensive overview of OpenID Connect, an identity layer built on top of OAuth2 for facilitating user authentication in web applications.
• Password Hashing: Storing Passwords Securely with Hashing Algorithms
  Learn how to securely store passwords using hashing algorithms like bcrypt in Clojure. Explore design patterns and best practices for ensuring password security.
• Password Salting: Enhancing Password Security
  Password Salting: Adding random data to passwords before hashing enhances security by making it difficult for attackers to use precomputed tables for password cracking. It is an essential practice in safeguarding user credentials.
• Policy-Based Access Control: Using Policies to Control Access
  An exploration of Policy-Based Access Control (PBAC) using Clojure, focusing on strategies for designing and implementing flexible, policy-driven access control systems, and examining relevant open-source technologies.
• Public Key Infrastructure (PKI): Using Certificates for Authentication
  In-depth exploration of Public Key Infrastructure (PKI) as a method for authentication using digital certificates, enhancing security through trust relationships and cryptographic validation within networks.
• Refresh Tokens: Obtaining New Access Tokens with Long-lived Refresh Tokens
  In-depth exploration of the Refresh Tokens pattern used in authentication systems to obtain new access tokens using long-lived refresh tokens, enhancing security and user experience.
• Risk-Based Authentication: Assessing Risk Levels During Authentication
  Risk-Based Authentication (RBA) is a security mechanism that evaluates the risk level of an authentication attempt based on user behavior, device information, and contextual factors to determine the appropriate level of authentication required.
• Role-Based Access Control (RBAC): Assigning Permissions Based on User Roles
  Role-Based Access Control (RBAC) is a security pattern that assigns permissions to users based on their roles within an organization, ensuring that access to resources is granted according to predefined organizational structures and policies.
• Security Questions: An Additional Layer of Identity Verification
  Implementing security questions as an additional layer of identity verification to enhance user authentication and secure applications against unauthorized access.
• Single Sign-On (SSO): Centralized User Authentication and Access
  Single Sign-On (SSO) allows users to access multiple services with one set of credentials, enhancing user convenience and security while simplifying IT management.
• Time-Based One-Time Password (TOTP): Generating Time-Sensitive Codes for Authentication
  A detailed exploration of the Time-Based One-Time Password (TOTP) design pattern, including its use in generating time-sensitive codes for enhancing authentication processes within applications.
• Token Revocation: Invalidating Tokens to Prevent Unauthorized Access
  Exploring the Token Revocation pattern, focusing on techniques and best practices for invalidating tokens to enhance security and prevent unauthorized access.
• Trust Frameworks: Establishing Trust Relationships between Entities
  Explore Trust Frameworks as a security pattern that establishes trust relationships between entities in distributed systems. Learn about how trust frameworks enhance authentication and authorization, leveraging technologies like OAuth2, OpenID Connect, X.509 certificates, and more, with Clojure code examples and related design patterns.
• Zero Trust Architecture: Ensuring Security Through Explicit Verification
  Zero Trust Architecture is a strategic approach to cybersecurity that eliminates implicit trust and mandates continuous verification of user identities and devices, thereby securing network environments from internal and external threats.