Creating an Effective Incident Response Plan with Templates

Creating an Effective Incident Response Plan with Templates

An Incident Response (IR) plan is vital to organizations of all sizes; it serves as a blueprint for handling cybersecurity incidents (such as a ransomware attack) and lays out how your organization will handle such events. Crafting a comprehensive IRP has typically been a tedious process. However, with its user-friendly interface, our Policy Manager makes it easy to respond to incidents in the Cloud with expert-crafted templates and pre-created playbooks.

The Incident Response (IR) Lifecycle

The Incident Response Lifecycle (IRL) is an excellent resource to form the basis of your Incident Response (IR) plan – it is broken down into five critical steps which pose several questions to form the early basis of an Incident Response Plan (IRP)

1. Preparation: What are the necessary steps and resources (e.g. tools and communication plans) to take during an incident?
2. Identification: How are incidents detected and identified? Who is responsible for monitoring alerts, and how are incidents reported in the organization?
3. Containment: What actions will be taken to limit the impact of an incident and prevent it from spreading?
4. Eradication: How will the organization remove the case of the incident and ensure threats are eliminated?
5. Recovery: What are the timelines for restoring services and steps for validating the integrity of systems? What are the criteria for declaring an incident resolved?

Service Level Agreements (SLAs) for Incidents

One of the first steps is to define the severity levels of incidents and set SLAs for each – this ensures that your team knows the urgency and expected response time for different types of incidents. The following is an example which can be adopted for your Incident Response (IR) plan. The actual values can be adjusted to meet your specific requirements:

• P1 (Critical Incident): An immediate response is required. This could be a severe data breach or system-wide failure. The team should be on call and resolve the incident within hours.
• P2 (High Priority): Major functionality was impacted, but there was no total shutdown. SLAs might demand resolution within 24 hours.
• P3 (Medium Priority): Partial loss of functionality that affects a significant portion of users. SLAs could require a response within 48 hours.
• P4 (Low Priority): Minor issues that have a minimal impact on operations. Resolution might be expected within 3-5 days.
• P5 (Informational): Non-urgent incidents, such as inquiries or suggestions. These can be addressed within a week.

Handling Compromised Communication

Cyber incidents might sometimes target your communication channels, making it difficult to coordinate your response internally. Your IRP should outline alternative communication methods to keep your team connected.

• Out-of-Band Communication: Establish secure out-of-band communication channels (e.g., encrypted messaging apps and secondary email addresses) that can be used if primary systems are compromised.
• Emergency Communication Protocols: Develop protocols for emergency meetings, ensuring that key decision-makers can be reached quickly, even if standard communication channels are down.

Breach Reporting Procedures

Compliance with regulatory requirements is a critical aspect of any IRP. Depending on your industry and location, you may need to report data breaches to specific authorities and affected individuals. Your IRP should include detailed procedures for this. The following are a few examples of well-known regulations in the U.S. + Canada.

• PIPEDA (Canada): Requires organizations to report breaches that pose a real risk of significant harm to the Office of the Privacy Commissioner of Canada (OPC) and affected individuals.
• PHIPA (Ontario, Canada): Mandates that health information custodians report certain breaches to Ontario’s Information and Privacy Commissioner and notify affected individuals.
• HIPAA (U.S.): This law requires healthcare organizations to report breaches involving unsecured protected health information (PHI) to the U.S. Department of Health and Human Services (HHS) and affected individuals, often within 60 days of discovery.

Your IRP should include templates and timelines for these reports and guidelines on when and how to notify affected parties.

Roles and Responsibilities

Your IRP should define each team member’s specific duties, ensuring that everyone knows their role when an incident occurs. It is important to designate a department or team of individuals (internal or external) and make them aware of their responsibilities.

• Incident Manager: Oversees the response, making high-level decisions and coordinating team efforts.
• Incident Response Team: This team is responsible for investigating and resolving the technical aspects of the incident. It might include cybersecurity experts, IT staff, and software engineers.
• Executive Management: Manage internal and external communications, ensuring stakeholders are informed throughout the incident.
• Legal and Compliance Teams: Ensure the response complies with all relevant laws and regulations, particularly regarding breach notifications and data protection.

Incident response Playbooks are detailed guides that outline specific actions to respond to particular incidents. These playbooks ensure your team can respond quickly and effectively, following a predefined process tailored to the incident. The following are some examples of playbooks to include within an IRP:

• Playbook for Phishing Attacks: Include steps for identifying and isolating phishing emails, notifying affected users, and analyzing the attack to prevent future occurrences.
• Playbook for Ransomware: Detail the process for isolating infected systems, determining the scope of the attack, and deciding whether to restore from backups or pay the ransom
• Playbook for Data Breaches: Outlines procedures for containing the breach, preserving evidence, notifying affected parties, and working with legal and compliance teams to ensure all reporting requirements are met.
• Playbook for Denial of Service (DoS) Attacks: Provides steps for mitigating the impact, identifying the source of the attack, and communicating with service providers to block malicious traffic.

Testing an Incident Response Plan with Table Top Excerises

Once developed, testing an Incident Response plan by performing a table top exercise is vital. A tabletop exercise is an event where the key stakeholders associated with critical business operations discuss what to do during various incidents (e.g. a denial of service attack or ransomware). These exercises not only help in identifying gaps and weaknesses in the plan but also in improving communication and coordination among the team members. We wrote a comprehensive blog post about how to perform tabletop exercises (and provided a template), which can be found here.

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Additional Resources

The following is a curated list of resources from reputable sources that provide more information about an IRP.

• Cybersecurity Incident Response Plans (HHS)
• Incident Response Plan (IRP) Basics (CISA.gov)
• Incident Response Plan (University of Connecticut)

Cybersecurity Incident Response Plans (HHS) Incident Response Plan (IRP) Basics (CISA.gov) Incident Response Plan (University of Connecticut)