A.5.24 "Information Security Incident Management Planning and Preparation" would include:
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Incident Response Plan (IRP): A documented incident response plan that outlines the organization's approach to detecting, reporting, responding to, and recovering from information security incidents.
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Roles and Responsibilities: Clear delineation of roles and responsibilities for individuals involved in incident response, including the incident response team, communication team, management, legal, and external stakeholders.
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Incident Classification: A defined classification scheme for categorizing incidents based on their severity and impact to ensure appropriate response actions are taken.
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Incident Reporting Procedure: Detailed procedures for employees to report suspected or confirmed information security incidents to the incident response team.
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Communication Plan: Documentation of how incidents will be communicated to internal and external stakeholders, including employees, customers, partners, regulatory bodies, and law enforcement agencies if required.
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Escalation Process: Clearly defined escalation procedures that outline when and how incidents should be escalated to higher management or external entities.
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Incident Response Playbooks: Specific playbooks or response guides for common types of incidents, including malware infections, data breaches, unauthorized access, and denial-of-service attacks.
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Testing and Drills: Records of regular incident response testing and drills to ensure that the incident response team is well-prepared to handle various scenarios effectively.
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Coordination with External Parties: Documentation of coordination efforts with external parties, such as law enforcement, regulatory bodies, and external incident response teams.
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Documentation and Reporting: Records of incident documentation, including incident reports, timelines, actions taken, and lessons learned.
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Training and Awareness: Proof of training and awareness programs conducted for employees to educate them about the incident response process and their roles during incidents.
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Lessons Learned and Continuous Improvement: Evidence of a feedback loop to capture lessons learned from each incident and use them to improve the incident response process continually.
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Post-Incident Review: Documentation of post-incident reviews to assess the effectiveness of incident response efforts, identify areas for improvement, and update the incident response plan accordingly.
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Technical Tools and Resources: Proof of the availability and proper functioning of technical tools and resources needed during incident response, such as forensics tools and communication channels.
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Legal and Regulatory Compliance: Documentation of processes and procedures in place to ensure that incident response activities are compliant with relevant legal and regulatory requirements.
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Chain of Custody: Records of how evidence is collected, preserved, and maintained during incident investigations, ensuring the chain of custody is maintained for legal and evidentiary purposes.
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Timely Response: Evidence of the organization's ability to respond promptly to incidents and mitigate their impact to prevent further damage.
By reviewing these pieces of evidence, an auditor can assess the organization's level of preparedness to handle information security incidents effectively, protect sensitive data, minimize disruptions, and maintain the trust of stakeholders.
