During which Incident Handling phase would steps for preventing successful worm attacks occur, such as developing patch management and file encryption policies and processes?

Preparation is the phase where organizations build their defensive posture before any incident occurs. Developing patch management policies and file encryption processes are preventive controls established during Preparation to reduce the likelihood and impact of worm attacks. This phase encompasses all proactive steps taken to ready an organization for potential security incidents.

Containment focuses on limiting the spread and damage of an active, in-progress incident, not on developing preventive policies.

Identification focuses on detecting and confirming that an incident has occurred, not on creating preventive policies or controls.

Eradication focuses on removing the threat from systems after the incident has been contained, not on building preventive policy frameworks.

Recovery focuses on restoring affected systems to normal operation after eradication, not on developing preventive policies.