
This table highlights the key differences between NIST CSF and ISO 27001:
- Scope:
- NIST CSF is tailored for U.S. federal agencies and organizations working with them.
- ISO 27001 is for any international organization aiming to implement a strong Information Security Management System (ISMS).
- Control Structure:
- NIST CSF offers various control catalogues and focuses on three core components: the Core, Implementation Tiers, and Profiles.
- ISO 27001 includes Annex A, which outlines 14 control categories with globally accepted best practices.
- Audits and Certifications:
- NIST CSF does not require audits or certifications.
- ISO 27001 mandates independent audits and certifications.
- Customization:
- NIST CSF has five customizable functions for organizations to adapt the framework.
- ISO 27001 follows ten standardized clauses to help organizations build and maintain their ISMS.
- Cost:
- NIST CSF is free to use.
- ISO 27001 requires a fee to access its standards and guidelines.
In summary, NIST CSF may be flexible and free, whereas ISO 27001 provides a globally recognized certification framework for robust information security.
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