Exploitationis the phase where testersleverage identified vulnerabilitiestogain unauthorized accessto systems. Exploitation (Correct Answer - B) Attackers use techniques such as SQL injection, buffer overflow, or privilege escalation. Example:A tester exploits a weak password to gain admin access. Exfiltration (Incorrect - A) The process of stealing dataaftergaining access. Reconnaissance (Incorrect - C) The initial stage where attackers gather information about the target. Scanning (Incorrect - D) Involves identifying open ports and services but does not involve actual attacks. References: ISACA CISA Review Manual NIST 800-115 (Technical Guide to Security Testing)