Single Sign-On (SSO) is an authentication process that allows users to access multiple applications and services with one set of login credentials. SSO simplifies the user experience by eliminating the need to remember multiple usernames and passwords while providing centralized access management and security controls.
Core Protocols
- SAML (Security Assertion Markup Language): XML-based standard for authentication
- OAuth 2.0: Authorization framework for API access
- OpenID Connect: Authentication layer built on OAuth 2.0
- Kerberos: Network authentication protocol
- LDAP (Lightweight Directory Access Protocol): Directory services protocol
Key Features
- Centralized Authentication: Single point of authentication for multiple services
- User Experience: Simplified login process for end users
- Password Management: Reduced password fatigue and reuse
- Administrative Control: Centralized user access management
- Compliance: Better audit trails and access reporting
- Integration: Compatibility with various applications and services
Benefits
- Improved User Experience: One login for multiple applications
- Enhanced Security: Centralized security controls and monitoring
- Operational Efficiency: Reduced help desk calls for password resets
- Compliance: Better access governance and reporting
- Cost Savings: Reduced administrative overhead
- Scalability: Can accommodate growing number of applications
Common Use Cases
- Enterprise application access
- Cloud service integration
- Multi-cloud environments
- Customer portals
- Partner access management
- Compliance requirements
- Remote workforce access