Explore the complexities of identity solutions in a zero-trust environment with Istio in this 19-minute CNCF conference talk by Jackie Elliott from Microsoft. Gain insights into responsibly configuring trust distribution and managing identities within a service mesh. Learn about various certificate authority configurations and integrations supported by Istio, including k8s CSR, Istio CSR, SPIRE, and cert-manager. Analyze the benefits and drawbacks of each solution, understanding when and why they might be suitable for different scenarios. Empower yourself to design or reevaluate an Istio identity solution tailored to your specific business needs, making informed decisions on the tradeoffs between complexity, flexibility, and risk.