Free Sample Use Case

I. Use Case Identification

• Use Case ID: UC-001

• Title: User Authentication

• Created By: [YOUR NAME]

• Date Created: [DATE]

• Last Updated: [DATE]

• Version: 1.0

II. Objective

This use case aims to outline the process by which a user authenticates themselves within the system.

III. Scope

• In-Scope: User authentication process

• Out-of-Scope: User registration, password recovery

IV. Stakeholders

V. Actors

• Primary Actor: User

• Secondary Actor: System

VI. Preconditions

• The user has a registered account in the system.

• The user is on the login page.

VII. Trigger

The user enters their username and password and clicks the "Login" button.

VIII. Main Flow

1. The system displays the login page.

2. The user enters their username and password.

3. The system verifies the credentials.

4. If the credentials are valid, the system grants access to the user.

5. If the credentials are invalid, the system displays an error message.

IX. Alternate Flows

• Invalid Credentials:

  • The system prompts the user to re-enter their credentials.

  • After three unsuccessful attempts, the system locks the user's account.

X. Postconditions

• If the credentials are valid, the user gains access to the system.

• If the credentials are invalid, the user receives an error message and is prompted to retry.

XI. Special Requirements

• All user credentials must be securely stored and encrypted.

• The system should include CAPTCHA or other security measures to prevent automated login attempts.

XII. Assumptions

• Users have previously registered accounts with valid credentials.

• The system infrastructure supports secure authentication protocols.

XIII. Frequency of Use

This use case is expected to be utilized multiple times daily by all registered users.

XIV. Miscellaneous

• Diagrams: Include any relevant diagrams illustrating the authentication process.

• Notes: Any additional notes or considerations relevant to the use case.

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