From the course: Microservices: Security
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Securing east to west traffic
- [Instructor] Well-designed microservices are created with the single responsibility pattern in mind. They do one thing and they do it well. And hearing to this principle creates the need for microservices to consume other microservices. This generates East, West traffic inside of the cluster of services. The sideways traffic between the microservices creates new security considerations, such as how we identify a user and how we make access decisions within the cluster of services. Let's consider a simple e-commerce scenario where a customer is placing an order. We'll assume the customer has already authenticated and the client owned by the e-commerce company is holding a valid access token. To place the order, the order service will need to call the payment service, which can issue a financial transaction using the account details of the customer who is our resource owner. One anti-pattern is to use a single access…
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