NorthlayerSTHLM

Services / AI App Security Check

Is your AI-built app leaking data? Find out in a few days.

Apps built with AI tools often go live with open databases and exposed keys. We check yours, fix what's wrong and give you a plain-English report. €390 fixed.

Supabase · Firebase · Lovable · Bolt

FormatFixed price
Takes2–4 days
Price€390
You getFixes + plain-English report

Sound familiar?

Signs you need this

Your app was built in Lovable, Bolt, v0 or Replit

It stores user data in Supabase or Firebase

Real users have signed up

Nobody technical has reviewed it

The change

Before and after

BeforeAfter
Other users can read your users' dataEach user sees only their own rows
Secret keys visible in the browserKeys on the server and rotated
No backupsDaily backups with a tested restore

What you get

Deliverables

Database rules

Supabase row-level security or Firebase rules checked table by table.

Exposed keys

API keys and secrets found in the frontend or the repo, moved and rotated.

Login and permissions

Tests that one user can't see or change another user's data.

Payment checks

Stripe keys and webhooks set up safely, if you take payments.

Backups

Daily backups switched on and a restore tested.

Written report

What we found, what we fixed and what's left, in plain English.

How it runs

Four steps

  1. AccessYou share read access to the project and the app link.
  2. CheckWe test the app the way an attacker would.
  3. FixAgreed fixes made in your project.
  4. ReportReport and a 30-minute call to walk you through it.

What we need from you

  • The app link and a test login
  • Read access to your Supabase or Firebase project
  • About 15 minutes to tell us what the app does

Proof

Done before, in production

  • Defined the security model for a global distributed platform: OAuth 2.0, role-based access, least-privilege, secrets management
  • Implemented enterprise login and SSO to compliance requirements

From our lead engineer's roles at larger companies. See Work.

Fit and price

A good fit if

  • Apps built with AI tools that are live or about to launch

Not a fit if

  • Formal penetration tests for compliance certificates

Price €390 fixed. 2–4 days. Included in the Launch + Secure package.

FAQ

Do I need to understand code?

No. The report is written for founders.

Will you change my app?

Only the fixes we agree on, and you'll see each one.

What if you find something serious?

We tell you the same day and fix it first.

Tell us what you're building.

20 minutes, no pitch deck needed. You leave with a clear next step, even if it isn't us.

Book a 20-min call