While performing data validation of web content, a security technician is required to restrict malicious input. Which of the following processes is an efficient way of restricting malicious input?

Validating only query strings is too narrow and ignores other input vectors such as form fields, headers, and cookies that attackers routinely exploit.

Scanning tools are used for vulnerability assessment, not real-time runtime input restriction during application processing.

Input validation against type (ensuring the data matches the expected data type), length (rejecting oversized input that could cause buffer overflows), and range (ensuring values fall within acceptable bounds) addresses the core mechanisms of injection and overflow attacks. This approach enforces strict allowlisting principles at the application boundary, neutralizing the majority of malicious input vectors such as SQL injection, XSS, and buffer overflows before processing occurs.

Validating for 'extraneous queries' is vague and does not represent a recognized, structured validation methodology that systematically blocks malicious input.