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Handling Large File Uploads in React: Securely Using AWS S3 Pre-signed URLs

hackerone.com | blog | #cloud | #cloud-security | #aws | #react | #file-upload | #s3 | #presigned-urls

Summary

S3 pre-signed URLs let React apps upload multi-gigabyte files without exposing AWS credentials. The article covers short-lived URLs, CORS settings, client validation, logging, and multipart uploads.
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