How to Build an Isolated Recovery Environment (IRE) in Healthcare: 7 Steps

Why more organizations are investing in an Isolated Recovery Environment (IRE) in healthcare.

An IRE is not just another backup strategy. It is a secure, segregated environment designed to recover critical applications and workflows when systems are compromised. Within healthcare, this distinction can determine whether care is postponed or operations proceed as planned.

If your organization is considering an Isolated Recovery Environment, here is a step-by-step look at how to build one. New to IREs? Start with why hospitals are turning to an isolated recovery environment.

Step 1: Identify Your Most Critical Clinical and Business Systems

The first step in building an IRE is deciding what truly needs to be recovered first. What can’t you live without in the event of a cyber attack

For healthcare organizations, that usually includes systems such as:

• Electronic health records
• Supply Chain
• Core clinical applications
• Identity and access systems
• Imaging or diagnostic platforms
• Communication tools

Not every application belongs in the first phase of an isolated recovery environment in healthcare. Start with the systems that are essential to maintaining patient care and hospital operations. The goal is to define a realistic recovery scope that supports continuity when it matters most. Many hospitals call this their “minimum viable hospital”: the smallest set of systems needed to keep caring for patients during EHR downtime.

Step 2: Separate the Environment from Production

An IRE must be isolated by design. That means more than placing recovery infrastructure in a different VLAN or secondary data center.

A true IRE requires separation across key control points, including:

• Network access
• Administrative credentials
• Identity services
• Management interfaces
• Backup and replication paths

This separation prevents attackers from moving into the recovery environment. If the same credentials, policies, or access points are shared across production and recovery, the environment is simply not protected.

Step 3: Establish Secure Access and Independent Identity Controls

Identity management is often neglected in isolated recovery environments.

If your recovery environment relies on the same Active Directory, privileged accounts, or access policies as your production systems, you risk delaying recovery—or worse, compromising it. Instead, healthcare organizations should implement separate authentication, tightly controlled access, and limited entry points.

By using this method, the IRE is able to function on its own even when production identity systems are unavailable or unreliable.

Step 4: Protect Recovery Data with Immutability and Validation

An isolated recovery environment in healthcare is only as useful as the data inside it.

Healthcare organizations should make sure the recovery data replicated into the environment is protected from unauthorized changes and accurate.

This step is especially important in healthcare because the value of recovery is tied to confidence. Clinical teams need to know the information they are accessing is accurate, usable to support care decisions.

Step 5: Define Which Workloads Can Run in the IRE

An IRE should not just store data. It should support recovery of the applications and workloads your organization needs to bring online in a crisis.

That requires planning for:

• Compute and storage capacity
• Application dependencies
• Network requirements
• Security controls
• Recovery order and orchestration

For healthcare, the emphasis should be on restoring the systems that keep clinical and business operations moving. The IRE should be designed to support the most essential workloads with that purpose in mind.

Step 6: Build Controlled Entry and Exit Points

An isolated environment should be difficult to access by design. Entry points must be limited, monitored, and tightly governed.

This includes:

• Restricted administrative access
• Clearly defined recovery workflows
• Controlled methods for importing and exporting data
• Logging and monitoring within the recovery environment

For healthcare organizations, this matters because recovery is not just about getting systems back online. It is about doing so in a way that maintains compliance, limits risk, and preserves trust in the environment being restored.

Step 7: Align the IRE with Clinical Continuity Goals

In healthcare, recovery planning cannot be led by infrastructure teams alone. Clinical leaders, compliance stakeholders, security teams, and operational decision-makers all need to be part of the process.

An isolated recovery environment in healthcare should support broader continuity objectives, including:

• Maintaining access to critical patient information
• Reducing care disruption
• Supporting safe downtime and recovery workflows
• Strengthening ransomware readiness
• Improving executive confidence in incident response planning

When designed correctly, an IRE becomes part of a healthcare organization’s resilience strategy, not just its storage or backup architecture. It is also where your ransomware recovery plan actually runs, so test it on a regular schedule.

Why Building an IRE Is Worth It

An Isolated Recovery Environment is no longer a nice-to-have for healthcare organizations with complex clinical systems and growing cyber risk. It is becoming a practical requirement for resilience.

The question is no longer whether healthcare organizations should think about recovery differently. The question is whether they are prepared to recover in a way that protects patient care when it matters most.

Build Your Healthcare IRE With Comport

That is where Comport comes in. With deep experience in healthcare IT, security, infrastructure, and recovery strategy, Comport helps organizations design IRE environments that are built for real-world healthcare demands. From planning and architecture to implementation and ongoing support, Comport understands that recovery in healthcare is not just about systems coming back online. It is about restoring operations in a way that supports clinicians, protects patients, and keeps trust intact.

Ready to start? Talk to our healthcare IT team or request an IRE readiness assessment.

Related reading: Why hospitals are turning to an isolated recovery environment · Secure isolated recovery environment checklist for healthcare CIOs

Building an IRE: FAQ

What are the steps to build an isolated recovery environment?

Identify your critical systems, separate the environment from production, set up independent identity controls, protect recovery data with immutability and validation, define which workloads will run there, build controlled entry and exit points and align the IRE with clinical continuity goals.

Which systems should go into a hospital IRE first?

Start with the systems needed to keep caring for patients, often called the minimum viable hospital. That usually means the EHR, core clinical applications, identity and access systems, imaging and communication tools.

Can an IRE share Active Directory with production?

It shouldn’t. If the IRE uses the same Active Directory or privileged accounts as production, an attacker who compromises production identity can reach the recovery environment too. Use separate authentication and limited entry points.

How is an IRE different from a ransomware recovery plan?

The ransomware recovery plan defines who does what, in which order and how fast. The IRE is the clean, isolated environment where that plan is carried out. A hospital needs both, and they should be tested together.

Who should be involved in building a hospital IRE?

Not just infrastructure teams. Clinical leaders, security, compliance and operational decision-makers should help set priorities, recovery order and downtime workflows.