#s3

1. 
   aws

   Cutting the File-Upload Bill: A Cognito + S3 Case Study

   How we replaced a hosted upload widget with native Cognito and S3, kept the browser uploading straight to the bucket, and brought the monthly invoice down.

   NH Nedim Hadzimahmutovic Aug 24, 2026 · 10 min
2. 
   aws

   How a CloudFront Custom Error Page Leaked JWTs to S3: A Case Study

   A pen-test curl found CloudFront forwarding `Authorization` headers to the S3 error-page bucket, where S3 reflected every JWT back in its XML error response. Two lines of Terraform closed it across sixteen distributions.

   NH Nedim Hadzimahmutovic Aug 13, 2026 · 12 min

No essays match that search.