Microservices are the components that are deployed either on-premises or in cloud environments. Microservices can offer external APIs or web APIs for UI apps. Our sample application, OTRS, offers APIs. This chapter will focus on how to secure these APIs using Spring Security and Spring OAuth2. We'll also focus on OAuth 2.0 fundamentals, using OAuth 2.0 to secure the OTRS APIs. For more information on securing REST APIs, you can refer to RESTful Java Web Services Security, Packt Publishing. You can also refer to the Spring Security, Packt Publishing video for more information on Spring Security. We'll also learn about cross-origin request site filters and cross-site scripting blockers.
Covering security in a single chapter is a Herculean task. Therefore, we will only cover the following topics:
- Secure Socket Layer
- Securing microservices by adding...
