Cloudflare R2 vs Amazon S3 for Media Offloading: Where the Bill Actually Comes From

Free egress is not free serving. R2 still bills every read, S3 does not bill origin transfer to CloudFront, and the variable that decides both bills is cache hit ratio. An evenhanded comparison of Cloudflare R2 vs Amazon S3 for media offloading, with the four levers that move the number and a decision procedure you can run against your own traffic.

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Building a Secure Client Document Vault Your Accounting Firm Can Defend

Most accounting-firm document vaults do not fail at the bucket. They fail at the edges: a download link that outlives the engagement, a KMS key policy as wide as the bucket policy, a retention lock that cannot be undone, and an audit trail nobody switched on. Six failure families, and the control that closes each.

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