Writing

Write-ups of things I found and built.

Latest · 15 October 2026 · 1 min readThe five AWS line items behind every surprise billNAT gateways, cross-AZ traffic, forgotten resources, CloudWatch logs and egress: where surprise AWS bills come from, and the 20 minutes of setup that catches them.

2026

  1. Least privilege limits the blast radius8 October · 1 min
  2. Stop sending production secrets over Slack1 October · 1 min

2023

  1. Hacking HackerOne with computer vision11 May · 9 min

2021

  1. The easiest $2500 I got it from bug bounty program5 March · 3 min

2020

  1. How I hacked IBM and got full access on many services?15 December · 3 min