Resources
Amazon S3 documentation
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Authenticating Requests (AWS Signature Version 4)
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Authenticating Requests: Using Query Parameters (AWS Signature Version 4)
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Authenticating Requests: Browser-Based Uploads Using POST (AWS Signature Version 4)
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Amazon S3 Signature Version 4 Authentication Specific Policy Keys
Other references
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Building a Data Perimeter on AWS (AWS whitepaper)
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SEC03-BP02 Grant least privilege access (AWS Well Architected Framework, Security pillar)
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SEC03-BP05 Define permission guardrails for your organization (AWS Well Architected Framework, Security Pillar)
