Please if you are not sure from your answer 100% do not answer the question. Thanks in advance.

A breach was caused by an insider threat in which customer PlI was compromised. Following the breach, a lead security analyst is asked to determine which vulnerabilities the attacker used to access company resources. Which of the following should the analyst use to remediate the vulnerabilities? OA ? ?. O C. O D Protocol analyzer Root cause analysis Behavioral analytics Data leak prevention