Authentication vs Authorization
Here's a comparison of authentication and authorization:
| Aspect | Authentication | Authorization |
|---|---|---|
| Definition | The process of verifying who a user is. | The process of verifying what access a user has. |
| Focus | Identity verification. | Access rights and privileges. |
| Example | Entering a username and password. | Checking if a user can access a specific resource, like a file or database. |
| How It Works | Typically involves passwords, biometrics, OTPs, etc. | Involves settings, roles, and permissions that define what resources a user can access. |
| Tools/Methods | Login forms, OTPs, biometric scanners. | Access control lists, role-based access control. |
| Order in Process | Comes first in the security process. | Follows after authentication is successful. |
| Key Concern | Verifying user identity is genuine. | Managing user permissions and access levels. |
| Frequency | Typically occurs once at the beginning of a session. | Can occur multiple times, whenever a user requests access to a resource. |
| Dependence | Independent process, can exist without authorization in some systems. | Requires authentication as a prerequisite. |
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