Your organization’s disaster recovery plan should explain how to restore its most important services, systems, and data after a disruption—and prove that the recovery works. It is more than a backup schedule: it assigns decision-makers, sets recovery priorities, protects backups, documents restoration steps, and gives employees a way to keep essential work moving.
What a disaster recovery plan covers
A disaster recovery (DR) plan is an operational guide for restoring technology-enabled services and data after an outage or other disruption. It identifies what to recover, in what order, who is responsible, where systems will run, and how the organization will verify that recovery is safe and complete.
DR is one part of a broader resilience program. NIST distinguishes information-system contingency planning from business-process continuity, incident response, crisis communications, and continuity of operations. They work together, but they answer different questions: how to restore systems, how to keep essential work going, how to contain and investigate an incident, how to communicate, and how to sustain mission-critical functions. See NIST SP 800-34 Rev. 1 and its contingency-planning overview.
These plans matter because a disruption is not always a natural disaster. A ransomware attack can encrypt production data and connected backups; an identity-provider outage can lock recovery staff out; a cloud service may be unavailable while its data remains intact; or a building can become inaccessible even though systems are healthy. A supplier, DNS service, payment processor, or communications provider can also be the dependency that prevents recovery. CISA’s StopRansomware Guide treats preparation, protected backups, and recovery exercises as part of ransomware resilience.
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Start with services and business impact
List the services the organization delivers before listing servers. For each service, identify its owner, users, business consequences of downtime, supporting applications and data, staff, facilities, network and identity dependencies, and external providers. A business impact analysis (BIA) records these relationships and helps determine which services must return first.
Include the cost and consequences of interruption: lost revenue, safety risks, contractual or legal exposure, regulatory obligations, customer impact, and reputational damage. Establish how long the process can operate manually, how much data loss it can tolerate, and the point at which downtime becomes unacceptable. NIST publishes contingency-planning guidance and templates for systems at different impact levels in SP 800-34 Rev. 1.
Set recovery tiers from your own impact analysis
The following are illustrative planning examples, not universal standards or prescribed targets. Set targets based on business impact, technical feasibility, contracts, applicable obligations, and budget.
| Illustrative tier | Example service | Possible target RTO | Possible target RPO | Possible recovery approach |
|---|---|---|---|---|
| 0 | Life-safety or essential control function | Minutes or near-zero | Near-zero | High availability, redundant site, or immediate failover |
| 1 | Revenue-critical transaction system | Hours | Minutes to hours | Warm standby or replicated recovery environment |
| 2 | Important internal application | One business day | Several hours to one day | Prioritized backup restoration |
| 3 | Noncritical archive or convenience service | Days | One day or longer | Standard backup restoration |
Set realistic RTOs and RPOs
Recovery time objective
The recovery time objective (RTO) is the maximum acceptable time a service can remain unavailable. An RTO of 30 minutes means the service should be restored within that period; an RTO of 24 hours means restoration by the next day may be acceptable. Define the clock’s start and stop points, including whether the target ends when infrastructure is running or when users can safely complete the business process.
Recovery point objective
The recovery point objective (RPO) is the maximum acceptable data loss, measured as time. With a 15-minute RPO, restored data should be no more than 15 minutes behind the disruption; a 24-hour RPO may permit losing a day of changes. Different services can have different objectives.
Short RTOs and RPOs usually require more than ordinary backups: replication, redundant capacity, tested failover automation, suitable licensing, available staff, and recovery procedures may all be needed. Replication can also copy corruption or malicious changes, so a low RPO alone does not guarantee a clean recovery.
Assign ownership and prepare people to act
IT cannot set business recovery priorities alone. Business owners define acceptable interruption and data loss; technical teams establish what can be restored and how; executives resolve conflicts over resources and authorize major decisions. Each critical role needs a named alternate, and the plan must remain accessible if email, the corporate network, file shares, or the normal identity service is down.
| Role | Responsibility |
|---|---|
| Executive sponsor | Funds the program and resolves cross-functional priorities. |
| Business owners | Set service criticality, downtime tolerance, and data-loss tolerance. |
| IT or infrastructure lead | Owns infrastructure recovery procedures. |
| Security lead | Coordinates cyber containment, evidence preservation, and secure recovery. |
| Application owners | Document dependencies and validate application and data integrity. |
| Facilities or operations lead | Handles sites, equipment, utilities, and physical access. |
| Legal, compliance, and privacy | Assesses notification, retention, contractual, and regulatory obligations. |
| Communications lead | Coordinates employee, customer, media, and stakeholder messaging. |
| Vendor manager or procurement | Maintains supplier contacts, contracts, and service commitments. |
| HR | Supports workforce communications and key-person contingencies. |
Keep an out-of-band contact list, vendor escalation details, emergency access instructions, and authority for emergency spending somewhere reachable without ordinary corporate systems. Protect sensitive credentials rather than placing reusable passwords in an openly distributed plan; document the approved break-glass access process.
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Maintain a controlled, current plan with an owner, version, approval record, effective date, review schedule, change history, and rules for distribution. Store offline or printed access copies securely, so responders can find the plan during a network or identity outage.
Critical-service record
For every critical service, record its business and technical owners, tier, RTO and RPO, data classification, dependencies, recovery location, backup source, restoration method, validation owner, manual workaround, and vendor support contact. Include upstream and downstream services: restoring an application is not useful if users cannot authenticate, resolve its DNS name, reach its database, or connect to a required third-party API.
Technical and operational details
- Asset inventories, network diagrams, IP and DNS dependencies, firewall and VPN requirements, and identity and authentication dependencies.
- Database, storage, application, and service startup order; required credentials and privileges; and validation steps.
- Backup locations, retention, encryption-key recovery, certificates, software installers, licenses, cloud account and region details, and infrastructure-as-code repositories.
- Alternate facilities, remote-work instructions, required equipment, paper or offline forms, and procedures for prioritizing customers and suppliers.
- Internal notification, customer and public messaging, status-page procedures, regulatory or contractual notification routes, media handling, and backup communications channels.
CISA recommends maintaining asset inventories and securely preserving system documentation, including offline backups and physical copies where appropriate; see its ransomware guidance.
Protect backups so they can support recovery
Backups are one component of DR, not proof that recovery is possible. Define backup frequency, retention, versioning, encryption in transit and at rest, geographic separation, application consistency, monitoring, integrity checks, and restoration speed. Cover databases and transaction logs, endpoints, SaaS data, configuration, and encryption keys where applicable. NIST advises tailoring backup scope and frequency to data criticality and change rate, and discusses offsite storage in its SP 800-34 Rev. 1 PDF.
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A common 3-2-1 pattern keeps three copies of data, on two storage types, with one copy offline or offsite. It is a resilience principle, not a legal requirement or a guarantee. Depending on risk, an organization may also use immutable retention, separate administrative identities, or separate accounts and providers. CISA recommends offline, encrypted backups and regular restoration testing because ransomware may target accessible copies. Immutable storage can reduce deletion risk, but poor retention settings, access control, compliance conflicts, unavailable keys, or cost can still undermine recovery.
- Separate backup administration from production identities where feasible, and apply least privilege and multi-factor authentication.
- Use offline, geographically separated, or immutable copies where the risk and operating model justify them.
- Monitor backup jobs, but do not treat a successful job status as proof that the application can be restored.
- Test restoration in an isolated environment and validate both data and business functions.
Choose a recovery model that matches the objectives
Recovery options trade speed, cost, complexity, and control. High availability is designed to keep a service running through certain component failures; backup preserves recoverable data; replication copies changes to another environment; DR coordinates recovery after a major disruption. None is interchangeable with the others.
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| Model | Typical trade-off | Watch for |
|---|---|---|
| Backup and restore | Often the simplest approach for noncritical workloads, but rebuilding can take time. | Backup integrity, restoration speed, hardware or cloud capacity, credentials, licenses, and staff knowledge. |
| Cold site | Lower recurring cost, slower recovery; little infrastructure is already running. | Whether the recovery time is compatible with the service’s RTO. |
| Warm site | Partially prepared environment; a middle ground in cost and recovery speed. | Configuration, data restoration, and capacity still need to be completed and tested. |
| Hot site | Ready alternate environment can support faster recovery, at higher cost and operational complexity. | Synchronization, regular testing, and the risk of replicating corruption or malware. |
| Active-active or high availability | Can reduce downtime for supported failure modes, but requires careful system design and investment. | It does not necessarily protect against data corruption or malicious changes copied across environments. |
| Disaster recovery as a service (DRaaS) | A provider may supply replication, recovery infrastructure, orchestration, or managed testing. | Vendor dependence, support scope, security, geographic separation, recovery and egress costs, and exit procedures. |
Compare options against each service’s RTO and RPO, data volume and change rate, application consistency, recovery capacity, staff skills, testing needs, compliance and data-residency limits, vendor support, portability, and total cost. Include storage, management, transfer, compute during recovery or testing, licensing, support, and emergency staffing—not just the cost of keeping backup data.
Write runbooks that responders can follow
A plan states the strategy; a runbook provides service-specific execution steps. Do not rely on generic commands: recovery steps depend on the operating system, database, cloud provider, backup product, identity system, and application architecture. For each runbook, document:
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- The service and scenario covered, with an accountable owner and last-tested date.
- Prerequisites, including required accounts and privileges, staff, licenses, keys, network access, and vendor support.
- The exact console path or command for the relevant environment, plus expected output and where logs are stored.
- The order for restoring identity, networking, storage, databases, applications, DNS, certificates, and dependent services.
- Validation criteria, the person authorized to approve service restoration, and the rollback or next recovery step if validation fails.
- How users are informed, how temporary access is removed, and how failback will be handled.
Keep instructions secure and usable offline. Test them with someone other than the person who wrote them; undocumented assumptions often surface when another responder tries to follow the steps.
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Ransomware recovery
Recovery should begin in coordination with the incident-response plan, not with an automatic restore of the newest backup. A recent copy may contain encrypted or malicious data, and connected recovery credentials may have been compromised. CISA’s guidance recommends preparation such as offline backups, golden images, asset inventories, segmentation, least privilege, and recovery exercises.
- Isolate affected systems in coordination with incident responders, preserving logs and evidence.
- Determine the scope, initial access path, and whether identities, cloud accounts, backup systems, or encryption keys were compromised.
- Revoke or rotate exposed credentials and confirm that the recovery environment and restore points are known-good.
- Restore in priority order, then validate data and application behavior before reconnecting users.
- Monitor for reinfection, meet applicable legal, regulatory, contractual, and insurance obligations, and document lessons and corrective actions.
Cloud, SaaS, identity, and suppliers
Cloud availability is not the same as customer-controlled backup or point-in-time recovery. Confirm what the provider protects, what the organization must configure, and what happens if an account, region, identity service, or provider is unavailable. Ask:
- Does the service provide backup, replication, snapshots, or only availability? What retention and recovery points are available?
- Can an administrator or attacker delete all recovery points? Are backups protected by separate credentials, accounts, projects, subscriptions, or regions?
- Are SaaS records, endpoints, application configuration, and customer-managed encryption keys covered and recoverable?
- Can the organization export data and configuration, and what are the data residency, egress, transfer, and recovery-compute costs?
- Can recovery administrators authenticate if the normal identity provider or MFA method is down?
- What is the provider’s support and recovery scope, and does it cover the organization’s entire service or only a defined component?
Microsoft distinguishes Azure Backup, which protects data, from Azure Site Recovery, which supports continuity by helping keep applications and workloads running during outages; see Microsoft’s overview. AWS says backup billing may include storage, restored data, restore testing, cross-Region transfer, and Audit Manager, so evaluate recovery activity as well as stored data (AWS Backup documentation). Google Cloud describes consumption-based Backup and DR charges that may include storage, management, transfer, and appliance compute (Google Cloud pricing).
Test, measure, and update the plan
A document review checks that contacts, vendors, diagrams, assets, and procedures are current. A tabletop exercise walks decision-makers through a scenario. A restore test checks whether representative data or workloads can be recovered in isolation. A failover test checks whether users and dependencies work in an alternate environment. A full interruption exercise can test the complete process, but should be controlled and used only where safe and appropriate.
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Choose scenarios that expose real dependencies: production ransomware, an inaccessible office, cloud-region disruption, identity-provider failure, unavailable recovery staff, failed integrity checks, or a major supplier outage. NIST’s SP 800-184, Guide for Cybersecurity Event Recovery, emphasizes recovery planning, exercises, metrics, and continuous improvement.
Exercise scorecard
For each test, record the planned target and actual result, plus:
- Actual recovery time and recovery point for each tested service.
- Failed or unclear steps, missing credentials, undocumented dependencies, and staff or vendor delays.
- Data-integrity and user-access results, and whether the service met its business validation criteria.
- Exercise cost, corrective action, accountable owner, due date, and retest result.
Review the plan after significant application, infrastructure, vendor, staffing, or regulatory changes, not only on a calendar schedule. Recovery targets that repeatedly fail should prompt a decision: improve the design, revise the target with business-owner approval, or accept and document the risk.
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Failback—the move from a recovery environment to normal operations—needs its own steps. Confirm that the original environment is clean and safe, decide which environment is authoritative, and synchronize data created during the outage. Document how routing, DNS, certificates, and identity will change; who approves the switch; how users are notified; and whether the recovery environment remains primary. Remove temporary accounts and firewall rules, retain required logs and evidence, and update the runbooks based on what happened.
A minimum viable plan for a small organization
A small business may not need a hot site or complex orchestration. It does need to know what matters most, who can restore it, and whether recovery works. Start with:
- A list of critical services, owners, dependencies, and acceptable downtime and data loss.
- A primary recovery owner and alternate, plus offline staff and vendor contact details.
- Separate administrative access, multi-factor authentication, and a documented emergency access process.
- Encrypted, offsite backups and, where feasible, an offline or immutable copy protected from ordinary production credentials.
- A written restore order, manual operating procedure, and internal and customer communications tree.
- A recurring isolated restore test, followed by a tabletop exercise and tracked fixes.
For larger or highly regulated organizations, add formal service tiers, cross-functional governance, independent recovery environments, contractual recovery obligations, clean-room exercises, and evidence that tests met targets. In every organization, the plan must account for key-person absence and limited recovery capacity; restoring everything at once may not be possible.
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