ThreeStack Blog

Insights on API security, fintech compliance, and building secure systems.

Your .env File Is Public: The #1 API Leak We Find (And How to Fix It)

Exposed environment files, Git repos, and debug endpoints are the most critical findings in our scans. Here's why they're dangerous and how to lock them down.

The 7 Security Headers Your API Is Missing (And Why Attackers Love It)

We scanned 200+ API endpoints across Dutch fintech companies. The average score: 67/100 (Grade D). Here's what we found and how to fix it.