You are the CISO of your company. You have implemented an incident response program to handle security incidents. The on-premise ERP system gets in trouble and becomes unresponsive. The availability of the ERP system has been harmed. To which of the following should the ERP users report this incident?
A. Service Desk
B. Network Administrator
C. Chief Information Officer (CIO)
D. Computer Security Incident Response Team (CSIRT)