Eccouncil Exam 212-89 Topic 1 Question 31 Discussion

Alice is an incident handler and she has been informed by her lead that the data on affected systems must be backed up so that it can be retrieved if it is damaged during the incident response process. She was also told that the system backup can also be used for further investigation of the incident. In which of the following stages of the incident handling and response (IH&R) process does Alice need to do a complete backup of the infected system?