ISO 22301 or NIS2: Which Should Be Prioritized?

When a management committee asks whether to choose ISO 22301 or NIS2, the real question is rarely a legal one. It is an operational one. What should be prioritized in order to reduce exposure, maintain operations in the event of a major incident, and demonstrate a credible level of control to customers, auditors, and authorities?

Treating ISO 22301 and NIS2 as two competing options often leads to poor trade-offs. One is an international standard for business continuity management systems. The other is a European regulatory framework for cybersecurity, with requirements for governance, risk management, and incident reporting for critical and important entities. In practice, these two standards do not address the same need, even though there is significant overlap between them.

ISO 22301 or NIS2: A False Dichotomy

ISO 22301 is used to organize business continuity in a structured manner. The standard provides a framework for governance, business impact analysis, risk assessment, continuity strategies, plans,exercises, lessons learned, and continuous improvement. It addresses a simple yet challenging question: How can critical operations be maintained or restored to an acceptable level within a timeframe that meets business requirements?

NIS2 has a different objective. The directive aims to raise the level of cybersecurity for the organizations it covers, with stricter requirements regarding management responsibility, security measures, supply chain management, incident response, and the resilience of networks and information systems. It also introduces a framework for oversight and penalties.

In other words, ISO 22301 addresses the resilience of the organization as a whole, even when the cause of disruption is not cyber-related. NIS2 focuses on cybersecurity and digital resilience, from a regulatory perspective. If your primary risk is dependence on critical digital services, NIS2 becomes a compliance requirement. If your challenge is to ensure business continuity beyond the IT scope alone, ISO 22301 provides a framework that regulation cannot replace.

What ISO 22301 Covers—and What It Does Not Cover on Its Own

The value of ISO 22301 lies in its ability to link critical business activities, business continuity requirements, and governance decisions. The standard requires organizations to identify what must be protected as a priority, define realistic continuity objectives, and develop coordinated responses across business units, support functions, IT, and the crisis management team.

For a BCP manager, this approach offers a major advantage: it puts business needs at the center. We don’t start with the available technology or a generic list of controls. We start with acceptable impacts, interdependencies, necessary resources, and plausible disruption scenarios.

However, ISO 22301 is not a detailed cybersecurity standard. It does not replace a structured information security policy, detection capabilities, or technical measures tailored to current threats. An ISO 22301-certified organization may have a robust business continuity framework while still lacking sufficient maturity in the security of its information systems if it does not supplement this foundation with other standards, industry-specific requirements, or specific controls.

What NIS2 requires, and what it does not fully address

NIS2 imposes very specific, stricter requirements. Affected organizations must demonstrate that they manage their cyber risks systematically, that senior management is involved, thatsignificant incidentsare reported within the required timeframes, and that certain areas—such as supplier security and information system continuity—which have long been treated as secondary, are now effectively managed.

However, NIS2 compliance does not automatically result in a comprehensive business continuity plan. An organization may meet cybersecurity requirements while still being vulnerable in terms of business process continuity, the management of prolonged outages, degraded operating modes, or crisis coordination outside the scope of the information security system.

This is a point that is often underestimated. Many compliance programs begin with an inventory of security measures. While this is necessary, it is insufficient if the organization needs to remain operational over the long term during a major incident. Continuity isn’t just about preventing an attack. It’s also about continuing to deliver essential services when an attack has succeeded, when a supplier is unavailable, or when recovery takes longer than expected.

In what situations should one be prioritized over the other?

The correct answer depends on the regulatory context, the organization’s current level of maturity, and the level of operational criticality. If your organization clearly falls within the scope of NIS2, the immediate priority is to identify the applicable obligations, governance responsibilities, and compliance gaps. Legal and regulatory exposure generally leaves little room for a wait-and-see approach.

If, on the other hand, you are not directly subject to NIS2 but operate in an environment where business disruption comes at a high cost, ISO 22301 may be the best place to start. It enables you to structure a cross-functional program, objectively define priorities, and establish a solid foundation for operational resilience.

There is also a third scenario, common in critical sectors or those heavily reliant on digital technology: the organization already has a relatively mature information security management system (ISMS)—sometimes certified against other standards—butits business continuity plan (BCP) remains incompleteor theoretical. In this situation, ISO 22301 quickly improves consistency, particularly in terms of the integration between impact analysis, continuity strategies, drills, and crisis governance.

How to integrate ISO 22301 and NIS2 without creating two parallel programs

A common mistake is to launch an NIS2 project on one side and a business continuity program on the other, with teams, metrics, and deliverables that are poorly aligned. This separation leads to duplication of effort, blind spots, and organizational fatigue. A more effective approach is to build a common governance and evidence architecture.

The first approach is mapping critical activities and supporting assets. This enables organizations to link business requirements, information systems, key third parties, and incident scenarios. This shared view is used for both impact analysis and cyber risk management.

The second lever is governance. Management must be able to make decisions based on a coherent set of factors: risks, response priorities, minimum service levels, outage tolerances, recovery capabilities, notification requirements, and supplier dependencies. Without this level of oversight, ISO 22301 becomes a mere paperwork exercise, and NIS2 a defensive compliance project.

The third lever is testing. Testing cyber incidents, the Disaster Recovery Plan (DRP), and the Business Continuity Plan (BCP) separately does not always provide an accurate picture of reality. On the contrary, recent incidents demonstrate the need for combined scenarios: IT system compromise, supplier disruption, crisis communication, legal decisions, and business continuity in degraded mode. It is in these situations that the alignment between business continuity and NIS2 requirements becomes tangible.

What business leaders and IT security managers need to clarify together

For ISO 22301 and NIS2 to reinforce each other, certain issues must be resolved unambiguously. Who decides on recovery priorities when multiple critical processes are affected? What recovery timeframes are truly sustainable, given technical and human dependencies? What data, services, and third parties are essential for maintaining a minimum level of operations? And above all, what gaps between theoretical requirements and actual capacity is the organization still willing to accept?

These issues are as much about governance as they are about technology. An organization may have advanced security tools and yet fail during a major incident due to a lack of clear decision-making guidelines, actionable plans, or rigorous drills. Conversely, a well-designed business continuity plan (BCP) that is disconnected from the reality of cyber threats will give a false sense of control.

Should we aim for ISO 22301 certification if NIS2 is already mandatory?

Certification is not a requirement for compliance with NIS2. However, it can serve as a useful catalyst depending on your objectives. If you are looking to establish a sustainable management system, standardize practices across entities, strengthen the credibility of your framework, or establish an auditable framework for continuous improvement, ISO 22301 provides tangible value.

However, we must remain realistic. Certification involves costs related to implementation, maintenance, and internal coordination. It is appropriate when an organization seeks to embed continuity into a sustainable and verifiable framework, not when it is merely looking for a quick fix to immediate regulatory pressure.

In this type of decision-making, building the teams’ expertise is often crucial. Understanding how to link impact analysis, recovery requirements, cyber scenarios, crisis management, and compliance significantly improves the quality of decisions. This is precisely where structured training—rooted in industry standards and focused on implementation—makes a difference, as many organizations supported by DRI France have observed.

So the right question isn’t just whether to choose ISO 22301 or NIS2. Rather, it is: What framework will enable your organization to be compliant, manageable, and capable of withstanding real-world stress? When this question guides decision-making, the two frameworks cease to compete with one another and become components of a single discipline of resilience.

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