The Hidden Backdoor in Your App: Fixing API Security Before It’s Too Late

This content originally appeared on DEV Community and was authored by Vaibhav Shakya

APIs are the real attack surface in 2025 — not your UI.

If your backend isn’t locked down, attackers don’t need to hack your app…

They just walk through your API.

Quick API Security Tricks

Use OAuth 2.1 + OIDC + PKCE — skip custom JWTs

Switch to Play Integrity API (SafetyNet is dead)

Enforce HTTPS + Certificate Pinning

Store secrets in Android Keystore, never in code

Validate everything on the server

Automate checks in CI/CD (lint, vuln scan, fuzz test)

Security isn’t paranoia — it’s professionalism.

Lock your APIs before someone else does.

Read the full guide with examples here:

https://medium.com/@vaibhav.shakya786/the-hidden-backdoor-in-your-app-fixing-api-security-before-its-too-late-4c4470cae61c

This content originally appeared on DEV Community and was authored by Vaibhav Shakya