CSF Tier

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Definitions:

A characterization of the rigor of an organization’s cybersecurity risk governance and management practices. There are four Tiers: Partial (Tier 1), Risk Informed (Tier 2), Repeatable (Tier 3), and Adaptive (Tier 4).
Sources:
NIST Cybersecurity Framework 2.0

Glossary Comments

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See NISTIR 7298 Rev. 3 for additional details.