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You’re only as secure as your last evaluation

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The updated Cybersecurity Maturity Model Certification (CMMC) framework, aligned with NIST SP 800-171, is being phased in starting November 2025 to protect Federal Contract Information and Controlled Unclassified Information across the Defense Industrial Base. Traditional point-in-time compliance assessments leave persistent gaps as environments change through new vulnerabilities, configuration drift, and supply chain additions. The piece argues for continuous security validation — using tools like Horizon3.ai's NodeZero — to demonstrate real-world control effectiveness rather than relying on periodic audits. An assume-breach scenario illustrates how a single uncredentialed host can lead to full domain credential harvesting, underscoring the risk of assumed-but-unverified controls.

    #security
Today•6m read time•From csoonline.com
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Table of contents
CMMC implementation phasesA shift in adversary strategyThe limitations of point-in-time securityEnabling continuous validationExpanding the scope: From enterprise to ecosystemImplications for prime contractorsCommon sources of compromiseExample: Assume-breach scenarioWhy the legacy model does not scaleContinuous readiness under CMMCContinuous validation as a practical requirementClosing the gap between compliance and securityFinal thought
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