AWS Storage Blog

Tag: Amazon S3 Server Access Logs

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Amazon S3 audit logging, Part 1: Analyzing server access logs with Amazon Athena for performance insights

Organizations storing sensitive data must maintain complete visibility into how it’s accessed, by whom, and what changes occur over time. Regulatory frameworks demand detailed audit trails, security teams need rapid answers during investigations, and finance teams require granular cost attribution. Yet as data grows from terabytes to petabytes, the scale that makes centralized storage attractive […]

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Understand Amazon S3 data transfer costs by classifying requests with Amazon Athena

Cost is top of mind for many enterprises, and building awareness of different cost contributors is the first step toward managing costs and improving efficiency. Costs for transferring data may segregate into common but low cost and less frequent but higher cost groups. Data about these two groups is mixed together, and separating them enables […]

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Monitor Amazon S3 activity using S3 server access logs and Pandas in Python

Monitoring and controlling access to data is often essential for security, cost optimization, and compliance. For these reasons, customers want to know what data of theirs is being accessed, when it is being accessed, and who is accessing it. With more data to monitor, large amounts of data can make it more challenging to granularly […]