~/talk

Secure your Modular Monolith by pretending it's a cat

Talkat NDC Melbourne 2025 · 2025-04-29..05-01· [security, microservices]
slides:none on file

Practical recipe for messaging security in a modular monolith: always attach user identity to messages, use the mediator pipeline or outbox to sign messages with private keys and to encrypt fields per-recipient so brokers and rogue subscribers can’t forge or read data. Handle token expiry by forwarding identity, embedding a hashed claim+body, or doing a token exchange for internal tokens. Use key management (KMS / HashiCorp Vault / Azure Key Vault) and dynamic short-lived credentials to rotate keys and limit impact when parts are scaled out.

AI-written summary · about

  1. 0:00Introduction
  2. 6:33Butterbean
  3. 7:21What is a modular monolith
  4. 12:12Adopting a cat
  5. 14:08How do users present credentials
  6. 17:12Authorization
  7. 18:23Commands Events
  8. 24:02Reading Messages
  9. 27:18Zero Trust Principle
  10. 29:14Hashik Vault
  11. 32:30Dynamic security credentials
  12. 34:03Personalization
  13. 36:31Partial Message Encryption
  14. 37:35Token Expiration
  15. 44:17Version Changes
  16. 47:59Summary
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