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NIST CSF 1.1 vs 2.0: Every Structural Change, Mapped

Side-by-side CSF 1.1 and 2.0 structure — Govern added, 23 to 22 Categories, 108 to 106 Subcategories, with NIST notes on relocated content.

Published: September 2026 Compliance · NIST 8-12 min read

CSF 2.0 (CSWP 29, February 2024) updates the Core structure: 6 Functions (adding Govern), 22 Categories, and 106 Subcategories, versus CSF 1.1’s 5 Functions, 23 Categories, and 108 Subcategories. NIST states content was relocated and revised rather than simply deleted.

Related: CSF 2.0 guide · Govern · function guides for Identify through Recover.

Structure at a Glance

Element
CSF 1.1
CSF 2.0
Functions
5
6 (adds Govern)
Categories
23
22
Subcategories
108
106

Numbering gaps in 2.0 Subcategories often indicate 1.1 items that moved. Check NIST FAQs for category moves such as supply-chain and access-control renames.

Migration Checklist

How CyberSilo Helps

Compliance Standards Automation supports CSF 2.0 Subcategory mapping; function guides explain each Function in practice.

Finish the Move to CSF 2.0 Profiles

Map Govern through Recover with evidence that matches the 106 Subcategories.

Frequently Asked Questions

Must we remake our Organizational Profile?

Yes, for accuracy. Remap Current and Target Profiles to CSF 2.0 Subcategories rather than forcing old IDs.

Did NIST remove cybersecurity content?

NIST states 1.1 meaning is carried into 2.0 through relocation and revision. Validate critical outcomes in your new Profile.

Are Tiers unchanged?

Tiers remain a Core component with four levels; use them with updated Profiles under 2.0.

NIST hub · What Is NIST CSF 2.0? · 800-171 Rev 3 Changes · Govern Function

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