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Q: You are given only a login page. What are some testing approaches?

A: When only a login page is available, consider the following testing approaches:

  1. Vulnerability Scanning: Test for client-side and server-side vulnerabilities like XSS and SQL injection.
  2. Username Enumeration: Attempt to enumerate valid usernames and test common passwords.
  3. HTTP Header Analysis: Examine HTTP headers for information disclosure or misconfigurations.
  4. Brute Force: Attempt a brute-force attack to guess valid credentials.
  5. Payload Injection: Try injecting payloads into login forms to bypass authentication.
  6. API Testing: Check for available APIs and test them for vulnerabilities.
  7. SSL/TLS Certificate Check: Verify the validity of the SSL/TLS certificate.
  8. Directory/Path Traversal: Attempt to access restricted folders or files.
  9. Credential Storage: Check for credentials stored in plaintext.
  10. State Manipulation: Test the impact of clearing or modifying cookies and headers.