The Cybersecurity Capability Maturity Model, or C2M2, is a U.S. Department of Energy program that helps organizations voluntarily assess and measure the maturity of their cybersecurity capabilities in a consistent and structured way. Designed to support operational technology environments, the model aligns closely with widely used standards such as the NIST Cybersecurity Framework. C2M2 provides a practical approach for evaluating current cybersecurity practices, identifying gaps, and prioritizing improvements. By offering measurable maturity levels, it enables organizations to strengthen governance, risk management, and resilience while supporting continuous improvement in OT cybersecurity programs.

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