Daily Writeups
@Daily_Writeups
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Daily Bug Bounty / Cybersecurity Writeups
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Daily Writeups
⤷ Title: AWS SigV4 Mastery: Beyond the Basics
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𐀪 Author: Chaos To Clarity
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ⴵ Time: Tue, 23 Sep 2025 07:00:22 GMT
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⌗ Tags: #cloud_security #api_security #aws #cryptography #amazon_s3
Medium
🔐 AWS SigV4 Mastery: Beyond the Basics
Deep-dive on AWS Signature Version 4 : presigning, streaming uploads, region-agnostic SigV4A, tricky canonicalization, and…
22 views
Daily Writeups
⤷ Title: How I Find Real Bug Bounty Targets | Live Recon and Workflow
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𐀪 Author: Jackson Mittag
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ⴵ Time: Mon, 17 Nov 2025 10:34:31 GMT
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⌗ Tags: #amazon_s3 #live_bug_bounty #bug_bounty
Medium
How I Find Real Bug Bounty Targets | Live Recon and Workflow
Watch the full live bug bounty hunt
51 views
Daily Writeups
⤷ Title: AWS S3 Unleashed: Native Vector Storage & 50 TB Max Object Size for AI/Big Data
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𐀪 Author: Ddos
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ⴵ Time: Thu, 04 Dec 2025 00:06:41 +0000
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⌗ Tags: #Technology #50 TB Object #Amazon S3 Vectors #AWS re:Invent #AWS S3 #big data #Generative AI #Iceberg Tables #RAG #Vector Database
Daily CyberSecurity
AWS S3 Unleashed: Native Vector Storage & 50 TB Max Object Size for AI/Big Data
11 views
Daily Writeups
⤷ Title: SigV4 in Production: Why “SignatureDoesNotMatch” Keeps Hitting You
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𐀪 Author: Chaos To Clarity
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ⴵ Time: Wed, 04 Mar 2026 14:00:35 GMT
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⌗ Tags: #aws #authentication #cloud_security #amazon_s3 #api_security
Medium
🔐 SigV4 in Production: Why “SignatureDoesNotMatch” Keeps Hitting You
The real causes (not the textbook ones), plus a debugging playbook, presign traps, proxy gotchas
51 views
Daily Writeups
⤷ Title: File Upload Bypass On Indrive
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𐀪 Author: Mahmoud Elsaidy
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ⴵ Time: Fri, 17 Jul 2026 04:19:09 GMT
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⌗ Tags: #file_upload_vulnerability #amazon_s3 #bug_bounty_writeup
Medium
File Upload Bypass Using a Pre-Signed S3 URL
welcome to my first write-up. I started bug hunting about 3 months ago, and this was one of my first findings, so I would love to share it.
34 views
Daily Writeups
⤷ Title: File Upload Bypass Using a Pre-Signed S3 URL
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𐀪 Author: Mahmoud Elsaidy
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ⴵ Time: Fri, 17 Jul 2026 04:19:09 GMT
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⌗ Tags: #file_upload_vulnerability #amazon_s3 #bug_bounty_writeup
Medium
File Upload Bypass Using a Pre-Signed S3 URL
welcome to my first write-up. I started bug hunting about 3 months ago, and this was one of my first findings, so I would love to share it.
42 views