Feb 22 · 7 min read · IntroductionThere is a kind of learning that only happens when you leave the comfort zone of a perfect tutorial and face the real environment as it is. That is exactly what this lab delivered. The goa
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Feb 10 · 4 min read · There comes a point in every tech professional’s routine when the real exhaustion is not only about workload, but about how the work gets done. A task looks simple at first, yet it quickly turns into multiple screens, repeated clicks, permission chec...
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Sep 7, 2025 · 3 min read · This is the English translation of my original Japanese article: https://zenn.dev/arvehisa/articles/079333efe83384 Introduction Do you ever manually generate S3 Presigned URLs? I occasionally use Presigned URLs to share documents and resources. Rece...
Join discussionJul 18, 2025 · 3 min read · 1. Critical Remote Code Execution (RCE) in OCI Code Editor Tenable Research discovered a serious Remote Code Execution (RCE) vulnerability in Oracle Cloud Infrastructure’s (OCI) Code Editor. This flaw allowed attackers to silently compromise a victim...
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