We code, finish and secure your web app.
Built something with AI that is almost there but not quite safe to ship? Our team finishes it, hardens it, and keeps it protected, so a fast launch does not turn into a slow breach. Real engineers, plus the full Defenso platform behind them.
- Finish a vibe-coded app
- A real security review
- Ongoing protection
- Built on the Defenso kit
From "it kind of works" to production-ready.
Vibe-coded apps get you 80 percent of the way fast, then stall on the parts that matter: auth that actually holds, data that stays private, a deploy that will not fall over. We take it the rest of the way and leave you with something safe to grow on.
The missing auth guards, the unhandled edge cases, the deploy that keeps breaking. We finish the work an AI got most of the way through, and clean up the shortcuts it took along the way.
Cybersecurity engineers go through your app the way an attacker would: leaked keys, injection holes, exposed data, weak auth. You get a plain report and the fixes applied, not a PDF to file away.
Once it is solid, the full Defenso platform keeps it that way: managed firewall, uptime, scans and alerts running automatically, so it stays secure long after we hand it back.
The security holes AI code ships with.
Lovable, Cursor, Bolt, Replit, v0 and Claude Code get you a working app fast, and they take shortcuts you never see. The same three mistakes show up in almost every vibe-coded app we look at, and each one is enough to hand an attacker the keys.
The .env with your database URL, the firebase-adminsdk.json, the serviceAccountKey, the OpenAI and Stripe keys pasted inline. AI tools drop them where they are convenient, not where they are safe, and git history keeps them forever. Our repo scan greps your default branch for exactly these, matches secret patterns and flags them before the repo goes public.
Firebase rules left at allow read, write, Supabase tables with row-level security never turned on, and S3 or storage buckets that read as world-accessible. The demo works, so nobody flips them back. Defenso reads the live app and the config the way an attacker would and tells you which door is open.
An endpoint that trusts the client, hand-built SQL strings that concatenate user input, a login with nothing throttling it. AI writes the happy path and skips the guard. The live pentest grades your site A to F on exactly these, and the managed WAF blocks SQL injection, XSS and bots and rate-limits the routes AI forgot to.
What we scan and fix.
Securing AI-generated code means checking the repo, the live site and the traffic all at once, because a vibe-coded app leaks in every one of those places. Here is what each part of Defenso finds and does for an app you built fast.
Repo secret scan
Connect your GitHub, GitLab or Bitbucket repo, or drop a public URL, and Defenso reads the default branch for committed .env files, firebase-adminsdk and serviceAccountKey blobs, database URLs and API keys matched by pattern, plus open storage buckets. Lockfiles are checked against the OSV database for known CVEs. Every finding ships with the fix: rotate this key, close this bucket, patch this line. See the repo scanner.
Live pentest
Point us at the deployed URL and Defenso probes it the way an attacker would: missing auth on endpoints, SQL injection, XSS, exposed .env and .git, weak TLS and missing security headers. You get a plain A-to-F grade with each weakness ranked by severity and a fix attached, not a PDF to file away. See the website scanner.
Managed WAF
One line of our SDK and the managed firewall is live in front of your app. It blocks SQL injection, XSS and bots, applies per-route rate limits AI forgot to add, and fails open, so if Defenso is ever unreachable your app keeps serving from a cached policy. No refactor, no Cloudflare migration. See the managed WAF.
Compliance
A vibe-coded app that took payments or collected emails still needs a privacy policy and the right notices. The compliance generator builds GDPR and CCPA documents tailored to what your app actually does, so the legal layer is not the thing you forgot at launch.
Finish it, then secure it.
Some apps are not just insecure, they are half-built. The auth flow that only works on the happy path, the deploy that keeps falling over, the payment webhook that was never wired up. Our engineers finish the work an AI got most of the way through and clean up the shortcuts it took, so you hand off a real app instead of a demo.
Then we lock it down. The repo scan and live pentest surface everything that leaks, we apply the fixes, and the managed WAF stays in front of your app for good. Protection is one line of code: install the Defenso SDK, add a single call, and SQL injection, XSS, bot and rate-limit defense are live with about 4ms added and a fail-open guarantee. Prefer to stay in your editor? The Defenso MCP server and SDKs let Claude Code, Cursor and Windsurf scan and protect from inside your workflow. The free tier is real and needs no card: a surface pentest each month, the managed WAF and bot detection, all included. See pricing for what Pro and Max add.
Securing it yourself vs Defenso.
You can harden a vibe-coded app by hand. It means stitching together a secret scanner, a pentest tool, a WAF and a compliance generator, and keeping them all running. Or you point Defenso at the app once.
| Capability | Do it yourself | Defenso |
|---|---|---|
| Find committed .env and service-account keys | Manual grep | ✓ |
| Detect open Firebase rules and public buckets | × | ✓ |
| Graded A-to-F pentest of the live site | Hire a pentester | ✓ |
| Blocks SQLi, XSS and bots in production | Roll your own WAF | ✓ |
| Per-route rate limits with no refactor | × | ✓ |
| One-line SDK, fails open, ~4ms | × | ✓ |
| GDPR and CCPA policy documents | Pay a lawyer | ✓ |
| Optional team to finish the build | × | ✓ |
| Real free tier, no card | × | ✓ |
Frequently asked questions.
Everything people ask before they start. Still unsure? We are one message away.
Almost certainly not out of the box. AI tools like Lovable, Cursor, Bolt, Replit and v0 optimise for a working demo, so they commit secrets into the repo, leave database rules and storage buckets wide open, and skip auth checks and rate limits. A free Defenso scan tells you in minutes exactly which of those holes your app has.
Three surfaces at once. The repo scan finds committed .env files, firebase-adminsdk and serviceAccountKey blobs, exposed API keys and vulnerable dependencies via OSV CVE data. The live pentest grades the deployed site A to F and flags missing auth, SQL injection, XSS, exposed config and weak TLS. The managed WAF then blocks attacks in production and rate-limits your routes.
Both, and you choose. Every finding comes with the exact fix ranked by severity, so you can apply them yourself. If you would rather hand it off, our engineers apply the fixes and finish any half-built parts of the app, then leave the managed WAF running so it stays secure.
Yes, and it is real. The free tier needs no card and includes a surface pentest each month, the managed WAF and bot detection. It is enough to see where a vibe-coded app leaks before you decide what to fix. Pro and the Max plan add more scans, custom WAF rules and repo secret scanning.
A live pentest and a repo scan return in minutes, each finding with a fix attached. Turning on protection is one line of code: install the Defenso SDK, add a single call, and WAF, bot and rate-limit defense are live with about 4ms added latency and a fail-open guarantee.
Yes. Plenty of vibe-coded apps are almost there but stall on auth, deploys or a payment flow that was never wired up. Our team finishes the build an AI got most of the way through, cleans up the shortcuts, and then secures it with the full Defenso platform.
Ship the vibe-coded app without the breach.
Tell us what you built and where it is stuck, or run a free scan and see the holes for yourself. No card, no install.