(Security Guidance p.107) • Cloud customers must set up proper communication paths with the provider that can be utilized in the event of an incident. Existing open standards can facilitate incident communication.

Every cloud customer should set up with its cloud service provider (CSP): B. A communication plan. A communication plan is crucial in the event of an incident or security breach within the cloud environment. It outlines the processes, procedures, and channels of communication to be followed during an incident. This includes establishing lines of communication with the CSP's incident response team, establishing escalation paths, and defining communication protocols for notifying and updating relevant stakeholders, such as internal teams, customers, partners, and regulatory authorities. Having a well-defined communication plan helps ensure effective and timely communication during an incident, facilitating coordinated response efforts and minimizing the impact on business operations. It helps maintain transparency, manage expectations, and establish clear lines of communication between the cloud customer and the CSP in order to address and resolve the incident efficiently.