The best way to support effective communication during information security incidents is to have predetermined service level agreements (SLAs) because they define the expectations and responsibilities of the parties involved in the incident response process, and specify the communication channels, methods, and frequency for reporting and updating on the incident status and resolution. Frequent incident response training sessions are not very effective because they do not address the communication needs or challenges during an actual incident. Centralized control monitoring capabilities are not very effective because they do not address the communication needs or challenges during an actual incident. Responsibilities defined within role descriptions are not very effective because they do not address the communication needs or challenges during an actual incident. Reference: https://www.isaca.org/resources/isaca-journal/issues/2017/volume-5/incident-response-lessons-learned https://www.isaca.org/resources/isaca-journal/issues/2018/volume-3/incident-response-lessons-learned

Conducting a business impact analysis (BIA) is the first step when creating an organization's disaster recovery plan (DRP) because it helps to identify and prioritize the critical business functions or processes that need to be restored after a disruption, and determine their recovery time objectives (RTOs) and recovery point objectives (RPOs)2. Identifying the response and recovery teams is not the first step, but rather a subsequent step that involves assigning roles and responsibilities for executing the DRP. Reviewing the communications plan is not the first step, but rather a subsequent step that involves defining the communication channels and protocols for notifying and updating the stakeholders during and after a disruption. Developing response and recovery strategies is not the first step, but rather a subsequent step that involves selecting and implementing the appropriate solutions and procedures for restoring the critical business functions or processes. Reference: 2 https://www.isaca.org/resources/isaca-journal/issues/2018/volume-3/business-impact-analysis-bia-and-disaster-recovery-planning-drp

The primary basis for an information security strategy should be the organization's vision and mission. The organization's vision and mission should be the foundation for the security strategy, and should inform and guide the security policies, procedures, and practices that are implemented. The results of a comprehensive gap analysis, information security policies, and audit and regulatory requirements should all be taken into consideration when developing the security strategy, but should not be the primary basis.