Final answer:
The subject of this question is Penetration Testing.
Step-by-step explanation:
The subject of this question is Penetration Testing. Penetration testing is a practice used in the field of cybersecurity to identify vulnerabilities in computer systems and networks. It involves simulating real-world attacks to assess the security of an organization's infrastructure. The first step in most penetration testing engagements is determining what should be tested, which determines the focus of the test and how resources and time will be allocated.