Which three key activities should be performed throughout all phases of the incident handling lifecycle?

The selection of documentation, coordination, and notification as key activities throughout all phases of the incident handling lifecycle is essential because these activities underpin effective incident management.

Documentation is crucial as it ensures that all actions taken, decisions made, and communications occur during an incident are accurately recorded. This serves as a robust historical record that can be referenced in the future for lessons learned and process refinements. It also plays a vital role in compliance, reporting, and accountability.

Coordination involves aligning efforts among various stakeholders, including incident response teams, management, technical staff, and legal or compliance departments. Effective coordination ensures that everyone involved is on the same page regarding the status of the incident, strategies being employed, and responsibilities assigned. This reduces the risk of miscommunication and duplication of effort, which can lead to greater disruptions or delays in the incident response.

Notification is essential for maintaining transparency and ensuring that relevant parties are informed of the incident's status and any required actions. Proper notification protocols help manage expectations, mitigate risks, and enable a quicker response when necessary. This includes informing affected stakeholders as well as regulatory bodies or law enforcement if required by policy or law.

Together, these three activities – documentation, coordination, and notification – are foundational to a structured and effective approach to