Microservices have revolutionised application development, but they've also introduced new security challenges. The service mesh, a powerful tool for managing and securing communication between these services. But how do we ensure that only authorised services can access sensitive information? That's where HashiCorp Vault comes in.

In this talk, we'll explore the "secret handshake" between Vault and service mesh technologies like Istio and Linkerd. We'll demonstrate how to leverage Vault's robust secrets management capabilities to secure your service-to-service communication.