Knowledge that protects your app
Privacy, security, and the market: short articles, with sources, for anyone who takes their own app seriously.
The 5 Vulnerabilities Your AI-Built App Probably Has (and How to Find Each One)
Your AI-built app works, looks great, and is even attracting customers — but AI didn't tell you it left doors open. Inspired by Mano Devin's video, this guide lists the 5 most common flaws in apps created with Vibe Coding and shows free tools to find and close each gap.
Read articleHow to know if your website is secure (practical guide, 2026)
“Secure” isn't a yes or no. There are five layers anyone can check from the outside in minutes — and two that require access to the code. This guide separates them.
Read articleVibe Coding deu certo? Conheça apps que escalaram porque revisaram o código gerado por IA
84% dos desenvolvedores do mundo usam ou planejam usar ferramentas de IA para escrever código. Google e Microsoft já geram entre 30% e 90% do código novo com IA. O mercado de AI coding tools deve chegar a US$ 22,2 bilhões até 2030. Os números são inequívocos: Vibe Coding veio para ficar.
Read articleNubank: o bug que 'quebrou' o banco e o que todo dev indie deve aprender com sistemas internos
Na sexta-feira 12 de junho, clientes do Nubank receberam uma mensagem de 'liquidação extrajudicial' do banco. Pânico generalizado. A causa? Um desenvolvedor acionou o sistema errado — e o nome do Nubank veio como padrão.
Read articleUnicamp alerta: Vibe Coding sem segurança é risco — e o ecoa.dev ajuda a fechar essa lacuna
Para o professor Anderson Rocha, do Instituto de Computação da Unicamp, a segurança é o maior gargalo do Vibe Coding: gerar código com IA é rápido, mas publicar o que você não entende é um risco que ninguém deveria correr.
Read articleVibe coding without security: the Mayumi case and what your AI won't tell you about the backend
A streamer criticized her competitors' backends, assembled a "talented team," and launched a platform that leaked every user's data within hours. The community called it pure vibe coding. The lesson applies to any indie dev.
Read articleSecurity and LGPD checklist before launching your app (2026)
Before you announce your app — AI-built or hand-coded — run through this list. These are the items that most often sink new apps: exposed data, vulnerable code, and non-compliance with Brazil's LGPD.
Read articleHow to get 12 testers for Google Play's closed testing track (2026)
New personal accounts need 12 opt-in testers for 14 straight days before they can publish. Here's why that's so hard — and how to solve it.
Read articleBuilt an app with Lovable, Bolt, or v0? Check its security before you publish
AI tools ship a working app in hours — but recent studies show a large share of the generated code ships with security flaws.
Read articleLGPD for AI-built apps: the minimum checklist before you launch
Your AI tool doesn't know Brazilian law. If your app collects any personal data, here's what you need to guarantee.
Read articleWhy your friends say “looks great” and your app still doesn't take off
Showing your app to people you know and hearing praise feels like validation — it's actually just politeness. Useful feedback comes from people with no reason to spare your feelings.
Read articleLGPD: fines can reach R$50 million — and they're already being applied
Enforcement of Brazil's General Data Protection Law is no longer theoretical. Here's how big the risk is if you launch an app without caring about privacy.
Read articleThousands of apps launch every day — and almost nobody finds them
App stores receive a staggering volume of new releases. For an indie dev, the challenge isn't just building: it's getting noticed.
Read articleNewly launched apps are easy targets: the risks that fly under the radar
The rush to launch, combined with lean teams, is the perfect recipe for vulnerabilities. Here are the most common mistakes in early-stage apps.
Read articlePut this knowledge into practice
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