Privacy Policy

Last updated: July 25th 2026

1. Introduction

System Design Mock ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.

2. Information We Collect

2.1 Information You Provide

  • Account Information: Name, email address, and authentication credentials when you create an account
  • Payment Information: Billing details and payment method information (processed securely through third-party payment processors)
  • Interview Content: Your responses, diagrams, and other content created during interview sessions
  • Communications: Messages you send to us through support channels

2.2 Automatically Collected Information

  • Usage Data: Information about how you use the Service, including interview sessions, features accessed, and time spent
  • Device Information: Browser type, operating system, IP address, and device identifiers
  • Cookies and Similar Technologies: We use cookies and similar tracking technologies to track activity on our Service and store certain information

3. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve our Service
  • Process your transactions and manage your subscription
  • Generate AI-powered feedback and insights on your interview performance
  • Send you technical notices, updates, security alerts, and support messages
  • Respond to your comments, questions, and customer service requests
  • Monitor and analyze trends, usage, and activities in connection with our Service
  • Detect, prevent, and address technical issues and fraudulent activity
  • Personalize and improve your experience with the Service
  • Develop new features and functionality

4. How We Share Your Information

We may share your information in the following circumstances:

  • Service Providers: We may share your information with third-party service providers who perform services on our behalf, such as payment processing, data analytics, email delivery, hosting services, and customer service.
  • AI Service Providers: Your interview content may be processed by AI service providers (such as OpenAI or Anthropic) to generate feedback and insights. These providers are contractually obligated to protect your data and use it only to provide services to us.
  • Legal Requirements: We may disclose your information if required to do so by law or in response to valid requests by public authorities.
  • Business Transfers: If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.
  • With Your Consent: We may share your information for any other purpose with your consent.

We do not sell your personal information to third parties.

5. Data Retention

We retain your information for as long as necessary to provide the Service and fulfill the purposes described in this Privacy Policy. We will retain and use your information to the extent necessary to comply with our legal obligations, resolve disputes, and enforce our agreements. Demo sessions that are not claimed may be deleted after 7 days.

6. Data Security

We implement appropriate technical and organizational measures to protect your information against unauthorized access, alteration, disclosure, or destruction. These measures include:

  • Encryption of data in transit and at rest
  • Secure authentication using Auth0
  • HTTP-only cookies to prevent XSS attacks
  • Regular security assessments and monitoring
  • Access controls and authentication requirements for our systems

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your information, we cannot guarantee its absolute security.

7. Your Privacy Rights

Depending on your location, you may have certain rights regarding your personal information:

  • Access: You can request access to the personal information we hold about you
  • Correction: You can request that we correct inaccurate or incomplete information
  • Deletion: You can request that we delete your personal information
  • Data Portability: You can request a copy of your information in a structured, machine-readable format
  • Opt-Out: You can opt out of receiving promotional communications from us
  • Objection: You can object to our processing of your information in certain circumstances

To exercise these rights, please contact us through our support channels. We will respond to your request within a reasonable timeframe.

8. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track activity on our Service. Cookies are files with a small amount of data that are stored on your device. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Service.

  • Essential Cookies: Required for authentication and basic functionality
  • Analytics Cookies: Help us understand how users interact with our Service
  • Demo Cookies: Used to maintain state during free demo sessions

9. Third-Party Services

Our Service integrates with third-party services that may collect information:

  • Auth0: For authentication (subject to Auth0's Privacy Policy)
  • Stripe: For payment processing (subject to Stripe's Privacy Policy)
  • AI Providers: For generating interview content and feedback (subject to their respective privacy policies)

We recommend reviewing the privacy policies of these third-party services.

10. Children's Privacy

Our Service is not intended for children under the age of 18. We do not knowingly collect personal information from children under 18. If you are a parent or guardian and believe your child has provided us with personal information, please contact us so we can delete such information.

11. International Data Transfers

Your information may be transferred to and maintained on computers located outside of your state, province, country, or other governmental jurisdiction where data protection laws may differ. By using our Service, you consent to the transfer of your information to our facilities and to the third parties with whom we share it as described in this Privacy Policy.

12. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

13. Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us at support@systemdesignmock.com.