Expiration

Presigned URLs: Stop Reuse with Single-Use Tokens

Standard presigned URLs last up to 7 days, creating replay risks. Learn to enforce single-use access using DynamoDB conditional writes and serverless tokens.

Jul 14, 2026

Marcus Chen 14 min read

Lifecycle rules cut S3 costs by automating data moves

Amazon S3 Lifecycle Management slashes costs by automating data movement after 30, 60, or 180 days based on access patterns.

Jul 14, 2026

Marcus Chen 15 min read