Martin Aberastegue.
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Notes & Articles

Insights and findings on technology, web development, security, and digital trends.

SupaExplorer: Building a Supabase Security Testing & API Key Leak Detector Extension

SupaExplorer: Building a Supabase Security Testing & API Key Leak Detector Extension

Nov 3, 2025 · 15 min read

How I built SupaExplorer, a Chrome extension for security testing Supabase databases and detecting API key leaks across 30+ services without leaving the browser.

How I built a Stealth Phishing Detection System

How I Built a Stealth Phishing Detection System

Sep 1, 2025 · 15 min read

A detailed guide on building a stealth phishing detection system using web beacons and Cloudflare Workers, designed for small and medium businesses.

Illustration comparing clean URLs vs Epiarc abstraction

The Hidden Danger of URL Abstraction: How Epiarc Could Backfire Against Phishing

May 17, 2025 · 10 min read

An analysis of how URL abstraction systems like Epiarc could potentially increase phishing risks instead of reducing them, and why transparency might be a better approach.

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