While using your bank's online servicing you notice the following string in the URL bar: account?id=368940911028389&Damount=10980&Camount=21" You observe that if you modify the Damount&Camount values

Cookie Tampering involves modifying cookie values stored in the browser, not URL query string parameters.

SQL Injection involves inserting malicious SQL syntax into input fields or parameters to manipulate database queries, which is not occurring here.

Web Parameter Tampering occurs when an attacker manipulates parameters transmitted over HTTP - such as URL query string values - to modify application data that should be controlled server-side. In this scenario, the Damount and Camount values represent debit and credit amounts that the server trusts without validation, allowing a user to alter account balances by simply changing the URL. This is a failure to enforce server-side business logic on sensitive financial parameters.

XSS Reflection involves injecting and executing client-side scripts returned by the server, not manipulating numeric transaction parameters.