Answer
Security includes authentication (OAuth2, JWT), authorization, TLS communication, API Gateway enforcement, and service-to-service authentication.
Quick Answer
Security in microservices: use JWT or OAuth2 for authentication at the API gateway. Enforce authorization in each service (don't trust just because the gateway passed it). Use mTLS for service-to-service communication. Secrets management via Vault or cloud secret stores. Network policies to restrict which services can talk to which.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ