ISO 27001 and NIS2

May 19, 2026Cyber Security

A powerful combination for cybersecurity

Cybersecurity is no longer purely a technical issue. Executives, customers, and regulators expect organizations to demonstrate that they have strong digital resilience.. The combination of NIS2 and ISO 27001 offers organizations exactly that: a practical and strategic way to gain control over information security and comply with new regulations. On this page, we’ll take a closer look at NIS2 and ISO 27001 and how these standards reinforce each other.

With increasing pressure surrounding cyber regulations, deadlines, executive accountability, supply chain risks, and overall preparedness, NIS2 is high on the agenda for many organizations. In this context, ISO 27001 is often cited as a framework for a robust information security approach. Although closely related in practice, NIS2 and ISO 27001 serve different purposes. Select one of the tabs below to discoverwhat NIS2 and ISO 27001 mean on their own.

About NIS2 and ISO 27001

NIS2 and ISO 27001: What are the differences?
FeatureNIS2

ISO 27001
Governance

Places strong emphasis on active involvement by the board, with the possibility of personal liability.Sets requirements for governance, but they are less strict.

Incident Reporting



Requires a strict reporting procedure: an early warning within 24 hours, a detailed report within 72 hours, and a final report within one month.Requires an incident management process.

Supply Chain Management

Requires thorough due diligence, contractual requirements, and periodic reviews of critical partners.Lays the groundwork for supplier security.

Supervision & SanctionsInvolves active oversight by authorities and can result in heavy fines for noncompliance.Involves audits and certifications, without direct legal enforcement.

How NIS2 and ISO 27001 Reinforce Each Other

The strength lies in the combination of ISO 27001 and NIS2. While both standards share the same goal, they differ in their approach and, as a result, complement each other well.
  • ISO 27001 provides a framework for organizing information security.
  • NIS2 sets out the minimum cybersecurity requirements for organizations.
For organizations that are already ISO 27001-certified, this represents a clear advantage. Many of the requirements under NIS2—such as risk management and incident response—are often already addressed within the ISMS.
Is your organization already ISO 27001-compliant, and do you want to build on that foundation to achieve NIS2 compliance? In practice, this often means refining what is already in place, expanding existing processes, and placing greater emphasis on governance and reporting. This means that the combination of NIS2 and ISO 27001 is not an additional burden, but a logical next step.
Synergies between NIS2 and ISO 27001
Compliance and certification: Companies that are already ISO 27001-certified have a solid foundation for meeting the requirements of NIS2, as many of the required controls and processes overlap.
Risk Management: Both frameworks emphasize risk management, with ISO 27001 providing a detailed approach to identifying and addressing risks, which is essential for compliance with NIS 2 requirements.

From implementation to real impact

Successful implementation isn’t just about frameworks and audits, but about how they’re integrated into the organization. The difference lies in the execution. What high-performing organizations have in common:
  • Management that actively prioritizes cybersecurity;
  • Employees who manage risks responsibly;
  • Processes that are continuously monitored and improved.
Both ISO 27001 and NIS2 require this continuous cycle of improvement. That is precisely where the strength lies: You are not building a one-time solution, but developing an organization that adapts to evolving threats.

Implementation: Steps and Success Factors

Successful implementation starts with the support of senior management. They must provide the resources and support needed to make the necessary changes.
Treat the implementation as a project with clear goals, timelines, and responsibilities.
Provide training and raise awareness within the organization to foster a culture of security. This includes regular updates and training sessions for employees to keep them informed of the latest threats and security practices.
Both ISO 27001 and NIS2 require continuous monitoring and improvement of security measures. This involves regular audits, risk assessments, and adjustments to evolving threat landscapes.

Why organizations are choosing the NIS2-ISO 27001 combination now

The combination of NIS2 and ISO 27001 is increasingly viewed as a strategic investment—not just to avoid fines or risks, but to gain a stronger foothold in the market.

Organizations that combine NIS2 and ISO 27001 benefit from:

  • Reduced risk of disruptions and data breaches;
  • Faster and more effective incident response;
  • Demonstrable compliance with regulatory authorities;
  • Greater trust throughout the entire supply chain.
Why choose DEKRA for NIS2 and ISO 27001?
Extensive expertise

DEKRA offers expertise in a wide range of cybersecurity services designed to meet industry-specific needs.

Combined audits

Our portfolio includes a wide range of accreditations that can be combined, allowing us to offer you the greatest possible benefit.

People-centered approach

During audits, our auditors look not only at systems, but also at the human factor in processes and your organizational culture. Our approach strengthens your certification.

Proven reliability

With over 100 years of experience in the TIC sector, DEKRA conducts reliable audits to ensure that your organization meets the highest standards of quality and safety.

Ready to combine NIS2 and ISO 27001?

NIS2 and ISO 27001 for structure, security, and strategic advantage

The combination of NIS2 and ISO 27001 brings together structure, certainty, and strategic advantage. ISO 27001 forms the foundation for your information security, while NIS2 adds urgency, focus, and clear compliance requirements. When your organization leverages this combination effectively, you do more than just comply with laws and regulations. You’ll build trust, ensure continuity, and strengthen your position in a digital world where security makes all the difference.
NIS2 and ISO 27001 Cybersecurity Expert
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There is no such thing as absolute security against cyberattacks, but with the right certifications, you can strengthen your cybersecurity compliance and demonstrate that your organization is taking appropriate measures. Learn more here about our portfolio and the options available to your organization.