CMMC 2.0 Phase 2 Deadline: What MSPs Must Know About the November 10, 2026 Compliance Mandate
By
HackMoN Ai
Summary
The article discusses the Cybersecurity Maturity Model Certification (CMMC) 2.0, which is now legally enforceable. Phase 1 began November 10, 2025, and Phase 2 arrives November 10, 2026, requiring mandatory third-party C3PAO assessments for new contracts involving Controlled Unclassified Information (CUI). It focuses on the critical implications for Managed Service Providers (MSPs) supporting defense contractors, warning that the compliance deadline will fundamentally change how MSPs operate, requiring them to achieve certification, invest in security infrastructure, and adapt their business models to avoid losing access to the Defense Industrial Base market.
Source
bskyCMMC 2.0 Phase 2 Deadline: What MSPs Must Know About the November 10, 2026 Compliance Mandateundercodetesting.comKey quotes
· 3 pulledCMMC 2.0 is no longer a theoretical compliance framework—it is the law, and the clock is running.
Phase 2, arriving on November 10, 2026, when mandatory third-party C3PAO assessments become required for new contracts involving prioritized Controlled Unclassified Information (CUI).
For Managed Service Providers (MSPs) supporting defense contractors, this is the strategic inflection point.
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