# Defense-in-Depth in a Tiny Supabase App: 5 Patterns I Baked Into Altair Before Open-Sourcing It

Page: https://stenobird.com/podcast/cybersecurity-tech-brief-by-hackernoon-6365646/defense-in-depth-in-a-tiny-supabase-app-5-patterns-i-baked-into-altair-before-open-sourcing-it
Text version: https://stenobird.com/podcast/cybersecurity-tech-brief-by-hackernoon-6365646/defense-in-depth-in-a-tiny-supabase-app-5-patterns-i-baked-into-altair-before-open-sourcing-it.md
Podcast: [Cybersecurity Tech Brief By HackerNoon](https://stenobird.com/podcast/cybersecurity-tech-brief-by-hackernoon-6365646)
Published: 2026-05-11T16:01:23+00:00
Episode link: https://share.transistor.fm/s/2d6e0086
Audio file: https://media.transistor.fm/2d6e0086/0d74f2d4.mp3
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JSON: https://stenobird.com/v1/public/podcasts/cybersecurity-tech-brief-by-hackernoon-6365646/episodes/defense-in-depth-in-a-tiny-supabase-app-5-patterns-i-baked-into-altair-before-open-sourcing-it
Duration seconds: 464

## Resource

This story was originally published on HackerNoon at: https://hackernoon.com/defense-in-depth-in-a-tiny-supabase-app-5-patterns-i-baked-into-altair-before-open-sourcing-it . Before I flipped my Supabase PSA tool public, I had to convince myself a fork couldn't ship a security hole. Here are the five patterns that made me trust it. Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity . You can also check exclusive content about #row-level-security , #jwt-authentication , #typescript-security , #authorization-architecture , #ci-enforcement , #defense-in-depth , #auth-middleware , #supabase , and more. This story was written by: @drh . Learn more about this writer by checking @drh's about page, and for more stories, please visit hackernoon.com . I open-sourced a Supabase PSA tool last week. To trust the click, I layered five auth patterns — middleware JWT check, withAuth wrappers, role-scoped column whitelists, CI-enforced architecture, and RLS — so any single layer failing wouldn't matter. Plus the one mistake I almost shipped: a service-role key in client code.

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