This guide provides an overview of the Okta CMMC Discovery Guide, which focuses on the importance of identity within the Cybersecurity Maturity Model Certification (CMMC). It outlines the critical role the Defense Industrial Base (DIB) plays in U.S. national security and the necessity for contractors to achieve CMMC certification to protect Federal Contract Information (FCI) and Controlled Unclassified Information (CUI). The document details the challenges faced by small businesses in obtaining certification and emphasizes the shift towards a Zero Trust Architecture (ZTA). It explains how the Okta Identity Cloud can assist DIB companies in meeting specific CMMC domains, particularly Access Control (AC) and Identification and Authentication (IA). The guide highlights best practices, potential pitfalls, and the specific functions that Okta enables to enhance security and compliance. Additionally, it discusses the importance of multi-factor authentication and strong identity management practices to mitigate risks associated with cybersecurity threats.