A Security Engineer Is Assisting a Developer with Input Validation

question 28

Multiple Choice

A security engineer is assisting a developer with input validation, and they are studying the following code block: The security engineer wants to ensure strong input validation is in place for customer-provided account identifiers. These identifiers are ten-digit numbers. The developer wants to ensure input validation is fast because a large number of people use the system. Which of the following would be the BEST advice for the security engineer to give to the developer?

• A) Replace code with Java-based type checks
• B) Parse input into an array
• C) Use regular expressions
• D) Canonicalize input into string objects before validation

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Definitions:

India

A country in South Asia, known for its diverse cultures, languages, and traditions, and as the world's largest democracy by electorate.

NIC

Newly Industrialized Country; a nation whose economy has transitioned from being primarily agricultural to more industrial and manufacturing-oriented.

Newly Industrialized Countries

Countries that are in transition from being primarily agricultural to primarily industrial economies, characterized by rapid economic growth.

Heo and Hahm

Not a widely recognized key term within a general academic or professional context. It might refer to specific individuals or studies in a specialized field but lacks recognition as a stand-alone key term.