Exam 312-50v12 topic 1 question 109 discussion

Attacker Lauren has gained the credentials of an organization’s internal server system, and she was often logging in during irregular times to monitor the network activities. The organization was skeptical about the login times and appointed security professional Robert to determine the issue. Robert analyzed the compromised device to find incident details such as the type of attack, its severity, target, impact, method of propagation, and vulnerabilities exploited.
What is the incident handling and response (IH&R) phase, in which Robert has determined these issues?