Everything you need to know about how we protect your data and the terms of using our security tools
Last Updated: January 2026
IronCrux Shield is a "Local-First" security tool. All security analysis of your AI prompts, emails, and web content is performed locally on your device. Your private content is never transmitted to our servers.
IronCrux Shield never collects, transmits, or stores:
When you create a premium account, we collect and store the following information on our servers:
This data is stored securely in our Supabase database and is used solely for account management, billing, and service delivery.
The following data is stored in your browser's local storage and never transmitted:
You can clear all locally stored data at any time through the extension settings or browser storage management.
IronCrux Shield uses WebAssembly and local AI models to analyze content directly in your browser. When you use our extension:
No data is ever sent to IronCrux servers for processing.
IronCrux Shield integrates with the following third-party services for account management and payment processing:
When you create a premium account, we use Supabase to store your email address, user ID, and subscription information. Supabase is our database and authentication provider. Your account data is encrypted and stored securely in Supabase's infrastructure. Supabase processes this data according to their privacy policy: https://supabase.com/privacy
Subscription payments are processed through Polar.sh. We do not store your payment card information. Polar.sh handles billing and payment processing according to their privacy policy: https://polar.sh/legal/privacy
We use Cloudflare to deliver the service and verify subscription status. Cloudflare may process basic network logs (such as IP addresses) to prevent fraud and ensure service stability.
We do not use Google Analytics, Mixpanel, Segment, or any other analytics platforms. We do not embed tracking pixels, cookies (except essential authentication), or fingerprinting scripts.
Local data stays on your device until you clear it. Account/Billing data is kept only as long as your account is active or as required by law for tax purposes. You can request deletion of your account data at any time by contacting us.
You have the following rights regarding your data:
If you are located in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR). We process your account data based on:
You have the right to lodge a complaint with your local data protection authority.
If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA):
We do not sell your personal information to third parties.
IronCrux Shield utilizes the following permissions to provide a secure browsing environment. All security analysis is performed locally on your device, and no personal browsing data is transmitted to our servers.:
IronCrux Shield does not knowingly collect information from children under 13. The extension is designed for general audience use and processes all data locally without collection.
We may update this privacy policy to reflect changes in our practices or legal requirements. We will notify users of material changes through the extension interface and update the "Last Updated" date above.
For privacy-related questions or concerns, contact us at:
Email: [email protected]
Last Updated: January 2026
By installing and using IronCrux Shield ("the Extension"), you agree to be bound by these Terms of Service. If you do not agree, do not use the Extension.
IronCrux Shield provides browser-based security protection through four layers: AI Privacy Protection, Email Security, Web Protection, and Extension Security. All processing occurs locally on your device.
Free tier usage requires no account. Premium and Enterprise subscriptions require account creation for billing and feature access. You are responsible for maintaining account security and all activities under your account. We are not liable for any unauthorized access to your account resulting from your failure to keep your login credentials safe.
You agree to use IronCrux Shield lawfully and NOT:
“Service” means any and all products, software, browser extensions, web applications, websites, APIs, features, tools, content, and services provided by or on behalf of Ironcrux, whether currently offered or introduced in the future, including beta, trial, or experimental features.
We reserve the right to modify, suspend, or discontinue the Extension or any features at any time with or without notice. We are not liable for any modification, suspension, or discontinuation.
We may terminate or suspend your access immediately, without prior notice, for any violation of these Terms. Upon termination, your right to use the Extension ceases immediately.
These Terms are governed by and construed in accordance with the laws of the Washington, US, without regard to conflict of law principles.
For legal inquiries, contact us at:
Email: [email protected]