The ONF is the organizational framework that defines how application security is governed and implemented consistently across applications and teams.
In ISO/IEC 27034, application security is not treated as a set of isolated technical fixes. The Organization Normative Framework (ONF) is the structure that makes security repeatable: it defines the organization's application security rules, roles, and reference practices so security decisions are consistent across projects.
When the ONF is clear, teams can implement Application Security Controls (ASCs) more efficiently because expectations, methods, and evidence requirements are standardized. This reduces ad-hoc security work, improves auditability, and helps organizations maintain security even as applications change over time.
Most application security programs fail from inconsistency: different teams interpret "secure" differently. The ONF is how you make security portable across products and suppliers.
“Repeatable application security starts with an ONF.”
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Choose ISO/IEC 27034 when you need a standard-based, auditable program that scales security consistently across many applications and teams.
In practice, the NIST CSF helps structure outcomes, the RMF guides the risk-based process, and SP 800-53 provides a catalog of controls to implement and assess.
It should produce traceable evidence that controls were implemented and tested, findings were managed, and monitoring supports ongoing assurance.
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