Key takeaway: NIS2 requires companies to establish structured governance, implement technical security measures, and maintain demonstrable incident-response processes, for which CISOs must assume full responsibility at board level.
The NIS2 Directive establishes binding requirements on cybersecurity and resilience for critical infrastructures and large enterprises in the EU for the first time. CISOs must understand which operational and organizational measures the regulation specifically mandates.
The Network and Information Security Directive 2 (NIS2) stipulates that companies must achieve an appropriate level of security through risk-aware management, technical controls, and incident-response processes. This is not about absolute security, but rather about demonstrable, traceable governance: documentation of security measures, regular review, and adaptation to known threats.
Specifically, NIS2 mandates the designation of security officers at management board level, employee training on security topics, network segmentation, encryption of critical data, backup and recovery procedures, and supplier management. Equally required are emergency response plans and the reporting of significant security incidents to authorities within 24 hours of detection.
For CISOs, this means cybersecurity can no longer be treated as an isolated IT function, but must be addressed as a strategic business matter with clear accountability at board level. Implementation typically occurs through a baseline measure catalogue, regular risk analyses, and a continuous audit and improvement program. Notably, NIS2 also expects companies to demonstrate that their measures are proportionate to their size and risk profile.
Source: news.google.com · Published June 11, 2026
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