Answer:
C. SQL injection.
Step-by-step explanation:
SQL is a relational database that is used by websites and web applications to hold data needed in the application. websites or applications with relational database like SQL are prone to SQL injection attacks.
SQL injection attacks are used to run malicious SQL statement to take control of the databases run by a website or application. With the vulnerability, an attacker can modify the content of a website's SQL database or can retrieve all data from it, after bypassing the security.
The data transmitted to the website or application from the fields in the datasheet can be manipulated or modified.