Automated penetration testing finds vulnerabilities in your Firestore rules, Cloud Functions, and Auth settings. Plus DDoS protection and a billing kill switch to prevent surprise $10,000+ bills.

Get instant feedback on your security rules - no account or credit card needed
Check Your Rules Now (No Sign-Up Required) →One misconfigured Firestore rule can expose your entire database. One DDoS attack can cost you $50,000 overnight. Traditional security audits are expensive and only give you a snapshot.
Insecure Firestore rules expose sensitive user data. 73% of Firebase apps have at least one security vulnerability.
DDoS attacks and billing abuse can spike your Firebase bill from $100 to $50,000 in 24 hours.
Manual security audits cost $5,000+ and take weeks. By then, your rules have already changed.
Watch how easy it is to set up automated security testing for your Firebase project
The anxiety of a security breach,the risks from firebase security rules, the threat of a malicious attack, the fear of a surprise bill. Flames Shield is the essential security layer to help you build with confidence.

Traditional penetration tests are expensive and only provide a one-time snapshot of your security. Flames Shield acts as your automated pentesting team, continuously scanning your Firebase project for vulnerabilities in your Firestore rules, Cloud Functions, and Auth settings, 24/7.
An exposed Cloud Function is a prime target for DDoS attacks that can spike costs and crash your service. Protect your functions with intelligent rate limiting you can configure in seconds to block malicious abuse, without needing to write code or redeploy.

Often, the first sign of a security breach is a massive, unexpected invoice. Flames Shield's Billing Kill Switch is your ultimate safety net against 'Denial of Wallet' attacks, automatically disconnecting your billing account if a budget you define is hit.

Join hundreds of developers protecting their Firebase apps
"Flames Shield caught a critical Firestore rule vulnerability that would have exposed all our user data. The automated scanning saved us from a potential disaster."
"The billing kill switch literally saved us $47,000 when we got hit with a DDoS attack. Best $29/month I've ever spent."
"Finally, a security tool that doesn't require a PhD to set up. Got it running in under 5 minutes and already found 3 issues with our Cloud Functions."
Flames Shield uses advanced penetration testing techniques to simulate real-world attacks on your Firebase setup. We test Firestore security rules, Cloud Function configurations, and Authentication settings to identify potential vulnerabilities before attackers do.
No. Flames Shield runs security scans independently and doesn't add any latency to your production app. Our DDoS protection is designed to block malicious traffic while allowing legitimate requests through instantly.
When your Firebase spending hits the budget limit you set, Flames Shield automatically disconnects your billing account to prevent further charges. You'll receive immediate alerts so you can investigate and resolve the issue before re-enabling billing.
No! Our Spark plan is completely free forever with no credit card required. You get 3 security scans per project and kill-switch protection up to $50. Upgrade anytime to get more scans and unlimited budget protection.
Start your free security scan in under 60 seconds. No credit card required.