1. XYZ company noticed some changes in the behaviour of their network and computers. They noticed hard drive of their computers do not have any free spaces and there were significantly reduce in the speed and performance of the network. Also, they notice some files were missing from their computers. You hired as security specialist to solve their problem.
   1. What sort of malware could do these harms in the company? Please justify your answer.

Explain the necessary incident handling steps required for this scenario and what would the incident report look like?