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AWS Lambda announces cross-account access for DynamoDB Streams

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This article announces that AWS Lambda now supports cross-account access for DynamoDB Streams event-source mappings, enabling Lambda functions in one account to be triggered by DynamoDB Streams in another account.

  • Lambda can now trigger functions across AWS accounts from DynamoDB Streams
  • Eliminates need for complex data replication solutions in multi-account architectures
  • Resource-based policies enable cross-account DynamoDB Stream access
  • Simplifies event-driven applications across organizational accounts
  • Available in all AWS Commercial and GovCloud (US) Regions
  • Configurable via AWS Console, CLI, SDKs, CloudFormation, or APIs

This feature reduces operational overhead for organizations using multi-account setups by enabling direct cross-account event streaming without replication complexity.

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