Skip to main content
Cyber Risk Council
Category: Business Continuity & Resilience

Operational Resilience

Also known as: Operational Resiliency, Business Operational Resilience
Simply put

Operational resilience is an organization's ability to keep delivering its most important services when something goes wrong, such as a cyberattack, system outage, or other disruption. It covers being able to anticipate, absorb, adapt to, and recover from these events across people, processes, and technology. The goal is not just to prevent problems but to continue operating and learn from disruptions when they occur.

Formal definition

Operational resilience is the capacity of an organization and its systems to anticipate, prevent where possible, withstand, absorb, adapt to, respond to, recover from, and learn from adverse events or disruptions while continuing to deliver critical operations and services. It spans people, processes, and technology and is oriented around the continuity of important business services rather than the availability of any single asset. In practice, it integrates disciplines such as business continuity, disaster recovery, third-party risk management, incident response, and cyber risk governance into a coordinated capability. A virtual CISO typically supports operational resilience at the strategy, governance, and program-design level, helping define critical services, tolerance thresholds, and recovery objectives, rather than executing hands-on operational recovery tasks unless explicitly contracted. Accountability for operational resilience decisions and outcomes generally remains with the client organization and its officers.

Why it matters

Most organizations invest heavily in preventing disruptions, but no set of controls can guarantee that a cyberattack, system outage, or supplier failure will never happen. Operational resilience shifts the question from whether an organization can avoid every incident to whether it can keep delivering its most important services when something does go wrong. This matters because the business impact of a disruption is usually measured in lost service delivery, missed obligations, and eroded trust rather than in the failure of any single technical asset. Framing security and continuity around important business services helps leaders prioritize where recovery capability matters most.

Operational resilience also reflects a governance reality that experienced security leaders insist on: resilience is a business risk function, not a purely technical one. Regulators such as the Bank of England have emphasized the ability of firms and the wider financial sector to prevent, adapt to, respond to, recover from, and learn from disruption, underscoring that resilience is an ongoing organizational capability rather than a one-time project. Because it spans people, processes, and technology, it cannot be delegated entirely to an IT team or a single tool; it requires coordinated ownership across the organization.

For organizations engaging security leadership support, operational resilience is often where strategy, risk management, and continuity intersect. A virtual CISO can help define which services are critical, what disruption the organization can tolerate, and how recovery objectives should be set. However, the value of this work depends heavily on organizational maturity, stakeholder cooperation, and clearly defined scope, and accountability for resilience decisions and outcomes generally remains with the client organization and its officers.

Who it's relevant to

Executives and Boards
Senior leaders and directors hold organizational accountability for whether critical services continue during a disruption. Operational resilience gives them a way to frame security and continuity in terms of business impact and tolerance for disruption rather than technical detail. Even when a virtual CISO advises on resilience strategy, accountability for decisions and outcomes typically remains with these officers.
Security and Risk Leaders
CISOs, virtual CISOs, and risk managers use operational resilience to coordinate business continuity, disaster recovery, third-party risk, incident response, and cyber risk governance into one capability. Their role is generally to define critical services, tolerance thresholds, and recovery objectives at the program level rather than to perform hands-on recovery unless explicitly scoped.
Organizations in Regulated Sectors
Firms in sectors subject to resilience expectations, such as financial services under the Bank of England's operational resilience regime, need to demonstrate an ability to prevent, adapt to, respond to, recover from, and learn from disruption. For these organizations, resilience is an ongoing supervised capability rather than a one-time exercise.
Business and Service Owners
The people who own important business services are essential to identifying what is truly critical and what disruption can be tolerated. Because operational resilience spans people, processes, and technology, its value depends on these stakeholders' cooperation and their input into recovery objectives; without their involvement, program design tends to be incomplete.

Inside Operational Resilience

Important Business Services
The critical services an organization delivers to customers or the market whose disruption would cause significant harm. Identifying these is typically the starting point for a resilience program.
Impact Tolerances
Defined thresholds describing the maximum acceptable level or duration of disruption to an important business service before harm becomes unacceptable. Tolerances give resilience efforts a measurable target.
Dependency Mapping
Documentation of the people, processes, technology, data, and third-party relationships that support each important business service, so that points of failure can be understood and managed.
Business Continuity and Disaster Recovery
Plans and capabilities for maintaining operations during disruption and restoring them afterward. These are components of resilience rather than the whole of it.
Incident Response Coordination
Planning and governance for responding to disruptive events. A vCISO typically advises on and directs response planning, while hands-on response execution is generally out of scope unless explicitly contracted.
Third-Party and Supply Chain Risk
Management of dependencies on external vendors and providers whose failures can disrupt important business services, given that resilience extends beyond an organization's own boundaries.
Scenario Testing and Exercises
Structured tests and exercises used to validate whether an organization can stay within its impact tolerances and to surface gaps for remediation.

Common questions

Answers to the questions practitioners most commonly ask about Operational Resilience.

Is operational resilience just another name for disaster recovery or business continuity?
No, and treating them as interchangeable is a common mistake. Disaster recovery typically focuses on restoring IT systems and data after a disruption, and business continuity focuses on keeping critical business processes running. Operational resilience is broader: it is the organization's ability to anticipate, prevent, adapt to, respond to, and recover from disruptions while continuing to deliver important business services. It incorporates DR and BC but also emphasizes end-to-end service delivery, third-party dependencies, and the acceptable limits of disruption. A virtual CISO often helps clients see resilience as a governance and business-risk objective rather than a narrow technical recovery exercise.
Does hiring a virtual CISO or buying more security tools guarantee operational resilience?
No. Operational resilience is not something a single tool or role delivers or guarantees. A vCISO advises on strategy, governance, and program development and can help design and mature a resilience program, but they typically do not perform hands-on operational tasks and cannot on their own ensure that services withstand disruption. Actual resilience depends on organizational maturity, cross-functional cooperation, defined scope, executive support, and sustained investment. Accountability for resilience outcomes generally remains with the client organization and its officers, not the advisor. No engagement or product can promise breach prevention or uninterrupted service.
How does a virtual CISO typically help an organization begin building operational resilience?
In many engagements, a vCISO starts by helping the organization identify its important business services and the people, processes, technology, data, and third parties that support them. From there, the work often includes assessing dependencies, defining acceptable levels of disruption, and prioritizing gaps against a framework the client is using. The vCISO usually operates at the strategy and governance level, guiding the effort and advising leadership, while execution of specific technical or operational controls is performed by the client's teams or contracted providers. Value depends heavily on stakeholder access and cooperation.
How is operational resilience measured or tracked over time?
Measurement approaches vary by provider and by organizational maturity, so there is no single universal metric. In practice, organizations often track indicators tied to their important business services, such as how quickly a service can be restored, how long a disruption can be tolerated before it causes material harm, and the status of identified dependency and control gaps. A vCISO can help define meaningful indicators and reporting suitable for executive and board audiences, framing resilience as a business-risk metric rather than a purely technical one. The specific measures should be agreed within the engagement scope.
What role do third parties and vendors play in operational resilience planning?
Third-party and supply-chain dependencies are frequently a central concern in resilience planning, because an important business service may rely on providers the organization does not directly control. A vCISO often helps map these dependencies, evaluate concentration risk, and consider what happens if a critical vendor is disrupted. However, the advisor generally guides and recommends rather than administering vendor relationships or performing hands-on monitoring unless explicitly contracted. Responsibility for managing vendor contracts and enforcing requirements typically remains with the client.
How do frameworks and regulations relate to an operational resilience program?
Frameworks and regulatory expectations can inform how a resilience program is structured, but their applicability depends on the organization's sector, jurisdiction, and obligations. A vCISO can help align resilience efforts with the frameworks a client has chosen and support readiness against relevant requirements. It is important to distinguish supporting readiness from asserting compliance or certification: an engagement helps prepare and mature the program, but it does not by itself guarantee that any regulatory obligation is met or that any certification will be achieved. Scope and outcomes should be defined in the engagement agreement.

Common misconceptions

Operational resilience is the same as preventing incidents or breaches.
Resilience assumes disruptions will occur and focuses on maintaining and recovering critical operations, not on guaranteeing prevention. Prevention is one input; the ability to withstand and recover is the defining outcome.
A vCISO delivering operational resilience will perform the hands-on recovery and incident response work.
A vCISO typically works at the strategy, governance, and program-design level, advising on and directing resilience efforts. Operational execution such as failover, backup administration, or live incident response is generally out of scope unless explicitly contracted, and accountability usually remains with the client organization.
Operational resilience is purely a technical or IT concern.
Resilience is a business risk and governance discipline that spans people, processes, technology, data, and third parties. Its value depends on business context, stakeholder cooperation, and organizational maturity rather than technology alone.

Best practices

Begin by identifying and prioritizing your important business services before investing in controls, so resilience work is anchored to what the business cannot afford to lose.
Set clear impact tolerances for each critical service and use them as measurable targets for continuity, recovery, and testing efforts.
Map the people, processes, technology, data, and third-party dependencies behind each service to reveal single points of failure and supply chain exposure.
Validate resilience through regular scenario testing and exercises, then remediate the gaps those exercises uncover rather than treating plans as static documents.
Define engagement scope explicitly when working with a vCISO or fractional CISO, distinguishing advisory and governance responsibilities from any hands-on execution, and confirm where accountability rests.
Treat operational resilience as a cross-functional governance effort with active executive and stakeholder involvement, recognizing that outcomes depend on organizational maturity and cooperation.