A developer is determining the best way to improve security within the code being developed. The developer is focusing on input fields where customers enter their credit card details. Which of the following techniques, if implemented in the code, would be the MOST effective in protecting the fields from malformed input?
A. Client side input validation
B. Stored procedure
C. Encrypting credit card details
D. Regular expression matching
Answer:D
A developer is determining the best way to improve security within the code being developed. The developer is focusing on input fields where customers enter their credit card details. Which of the following techniques, if implemented in the code, would be the MOST effective in protecting the fields from malformed input?
A. Client side input validation B. Stored procedure C. Encrypting credit card details D. Regular expression matching