March 2025
Intermediate to advanced
202 pages
4h 45m
English
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Chapter 8Securing Event-Sourced Applications
In the previous chapter, you learned some techniques to handle the evolution of event-sourced systems while still embracing the immutability of the event log. In this chapter, you’ll learn how to secure event streams and the applications that rely on them.
Securing event-sourced applications can be tricky, especially if you’re attempting to secure one that’s already deployed and has built up a historical event stream. As you’ll see throughout this chapter, security in event-sourced applications can be divided into the following zones:
- Aggregates and incoming command requests
- The event stream
- Sensitive information on events
- Projections
- Process manager state
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