---
id: 1175
title: "CMMC 2.0 Final Rule: What Defense Contractors Need to Know"
source_domain: hackerone.com
source_url: "https://www.hackerone.com/blog/cmmc-2-0-final-rule-requirements"
published_at: "2025-09-25 17:36"
tags: ["certification", "compliance", "policy", "supply-chain-security", "dod", "cmmc-2-0", "dfars", "defense-contractors"]
phying_url: "https://phying.com/item/1175"
lang: en
---

# CMMC 2.0 Final Rule: What Defense Contractors Need to Know

## Summary

DoD's amended DFARS rule makes CMMC 2.0 a contractual requirement from November 10, 2025, affecting ~330,000 contractors across three levels, with assessments based on FCI/CUI data sensitivity.

## Intelligence Metadata

- **Sources:** hackerone.com
- **Published:** 2025-09-25 17:36
- **Original:** https://www.hackerone.com/blog/cmmc-2-0-final-rule-requirements
- **Phying News:** https://phying.com/item/1175