In the context of securing access infrastructure for globally distributed, security-sensitive enterprises, particularly in finance, a global payments provider leveraged CockroachDB to enhance the reliability and availability of the Teleport access platform, meeting the stringent Tier 0 classification requirements. By adopting Teleport as a unified access control layer, the company replaced a fragmented system of SSH bastions, VPNs, and access proxies with a cohesive platform that enhances security and operational efficiency through identity-based access and auditing capabilities. The integration with CockroachDB provided a geo-distributed SQL database layer that ensured consistent, resilient access control and data availability across multiple regions, even amidst network disruptions, thus maintaining the required 99.999% uptime for critical infrastructure. This setup not only addressed technical scaling challenges but also aligned with the company's business-critical goals by delivering a secure, auditable, and compliant infrastructure access solution that supports global operations. Additionally, the article offers a practical guide for setting up a multi-region Teleport deployment with CockroachDB, highlighting its role in achieving high availability and resilience in enterprise infrastructure.