Cybersecurity is not only the prevention of unauthorized access. For an operating business, it is the ability to deliver critical services despite threats, errors and disruptions.
Security as an operating discipline
The NIST Cybersecurity Framework 2.0 organizes outcomes around six functions: Govern, Identify, Protect, Detect, Respond and Recover. The added emphasis on governance makes a critical point: security priorities must be linked to business risk, accountability and supply-chain relationships.
Security cannot be delegated entirely to a technical department. Operations leaders own processes whose failure may interrupt production, fulfillment or customer service.
IT and OT carry different consequences
In office IT, a compromised account may expose data or interrupt applications. In operational technology, compromised controllers, networks or engineering workstations may also affect equipment availability, product quality and physical safety.
Controls must reflect actual operating constraints. Patching a critical production controller, for example, may require planned downtime and vendor validation. A purely office-IT policy may not be appropriate.
From prevention to resilience
Preventive controls matter: access management, network segmentation, backups, secure configuration and supplier assurance. But organizations must also assume that failures can occur.
Define critical services, credible incidents, recovery objectives and decision authority. Test whether backups can actually be restored and whether teams know how to operate in degraded mode.
Incident exercises should include management, operations, IT, security, communications and relevant suppliers.
European requirements
EU NIS2 addresses cybersecurity risk management and reporting requirements for covered entities. NIS2 obligations depend on entity classification and national implementation.
The Cyber Resilience Act establishes cybersecurity obligations for products with digital elements, with a phased application schedule. Its mandatory reporting of actively exploited vulnerabilities and severe security incidents began on 11 September 2026; broader product obligations generally apply from 11 December 2027. Reporting timelines and the obligations for a specific manufacturer or product require a separate legal and technical assessment.
Management measures
Track critical vulnerabilities, recovery test results, privileged access, incident detection and response times, supplier exposure and the proportion of critical services with tested continuity plans.
Executive decision lens
Decision to make: Define operational resilience in service terms: which processes must continue, what downtime is tolerable and how recovery is demonstrated. Require OT-aware security design, tested restore procedures, supplier risk controls and incident decision rights. Review applicable EU cybersecurity obligations by entity, product and implementation milestone.
Operations Insider takeaway
Cybersecurity succeeds when the business can prevent avoidable incidents, detect failures early and restore critical operations reliably.