Explore crucial security considerations and potential attack vectors when using Istio in production environments through this informative conference talk. Discover how to achieve a zero-trust and defense-in-depth architecture by taking additional steps to lock down your service mesh. Learn about mitigating risks and enhancing overall system security by integrating Istio with Network Policies, third-party Kubernetes tools, and cloud-provided security offerings such as key management services, firewalls, and policy enforcement engines. Gain valuable insights into fully hardening your Istio setup, addressing concerns about mTLS protection, self-signed root certificates, common misconfigurations, and adequate layers of defense. Walk away with practical knowledge on implementing a more robust security posture for your Kubernetes and Istio deployments.