By modernizing its Identity and Access Management system, the government agency significantly strengthened its security posture while improving operational efficiency. The integration of Role-Based Access Control and AI-driven threat detection not only minimized unauthorized access incidents by 60% but also enabled real-time monitoring of sensitive information. Additionally, the implementation of Identity Federation facilitated seamless and secure authentication across departments. This case highlights the critical role of advanced IAM solutions in safeguarding classified data and streamlining access in high-security government environments.