Question 141:
A penetration tester noticed special characters in a database table. The penetration tester configured the browser to use an HTTP interceptor to verify that the front-end user registration web form accepts invalid input in the user`s age field. The developer was notified and asked to fix the issue. Which of the following is the MOST secure solution for the developer to implement?
Answer options:
A. IF $AGE == !@#$%^&*()_+<>?:{}[] THEN ERROR
B. IF $AGE == [1234567890] {1,3} THEN CONTINUE
C. IF $AGE != a-bA-Z!@#$%^&*()_+<>?:{}[] THEN CONTINUE
D. IF $AGE == [1-0] {0,2} THEN CONTINUE