Explore a comprehensive conference talk on bridging security infrastructure between data centers and AWS Lambda. Delve into Square's journey of migrating to the cloud while maintaining secure communication between microservices. Learn about workload identity architecture in AWS Lambda, identity sharing between data centers and cloud environments, and the challenges of integrating serverless technology with existing infrastructure. Discover various options for identity issuance, architectural decisions, and system components. Gain insights into application secrets management, security boundaries, and risk mitigation strategies. Understand the onboarding process and key considerations for implementing a secure serverless infrastructure that seamlessly integrates with traditional data center services.