Final answer:
White hat hackers are the good guys who probe for weaknesses in computer systems or networks, but do not exploit them. Instead, they share their knowledge and findings to improve security.
Step-by-step explanation:
The correct answer is B) White hat hackers. White hat hackers are the good guys who probe for weaknesses in computer systems or networks, but do not exploit them for personal gain. Instead, they share their knowledge and findings with the intention of helping to improve security and prevent future attacks. They are often employed by companies to perform ethical hacking or penetration testing to identify vulnerabilities in their systems.