Eventbridge

detecting-cloud-threats-with-guardduty guides AWS teams through enabling Amazon GuardDuty, reviewing findings, and building automated response for cloud threats across accounts and workloads. It is useful for GuardDuty install, usage, and day-two operations in Cloud Architecture.

aws-serverless-eda is a guide for Backend Development on AWS serverless and event-driven architecture. Use it to design Lambda APIs, async workflows, microservices, queues, pub/sub, and orchestration with API Gateway, DynamoDB, Step Functions, EventBridge, SQS, and SNS. It emphasizes Well-Architected decisions, observability, security, and deployment discipline.