Privacy Policy

1. Introduction

At DeetCode, we take your privacy seriously. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our embedded systems learning platform.

2. Information We Collect

2.1 Information You Provide

When you create an account or use our services, we collect:

Data Type	Purpose
Email Address	Account creation, authentication, and communication
Username	User identification and profile display
Password (hashed)	Account security and authentication
Code Submissions	Problem evaluation and progress tracking
Learning Progress	Personalized learning experience

2.2 Information Collected Automatically

When you access DeetCode, we automatically collect:

1. Device Information: Browser type, operating system, device type
2. Usage Data: Pages visited, time spent, features used
3. IP Address: For security and analytics purposes
4. Cookies: Session management and preferences

3. How We Use Your Information

We use your information to:

1. Provide and maintain our learning platform
2. Create and manage your user account
3. Send verification emails and security alerts
4. Track your learning progress and achievements
5. Evaluate code submissions and provide feedback
6. Improve our services and develop new features
7. Communicate updates and educational content
8. Ensure platform security and prevent abuse

4. Data Security

We implement industry-standard security measures to protect your data:

1. Password Encryption: All passwords are hashed using bcrypt with a salt
2. SSL/TLS: All data transmitted is encrypted
3. Secure Sessions: HTTP-only cookies with secure flags
4. Access Controls: Limited access to personal data on a need-to-know basis
5. No Password Recovery: Since passwords are securely encrypted, we cannot decrypt or recover them for you. Forgotten passwords require account deletion and recreation.

5. Cookies and Tracking

We use cookies for:

1. Essential Cookies: Required for authentication and session management
2. Preference Cookies: Remember your settings (e.g., dark/light theme)
3. Analytics Cookies: Understand how you use our platform

You can control cookies through your browser settings, but disabling essential cookies may affect functionality.

6. Third-Party Services

We may use third-party services for:

1. Email Delivery: Sending verification and notification emails
2. Analytics: Understanding platform usage patterns
3. Content Delivery: Serving static assets efficiently

These services have their own privacy policies, and we encourage you to review them.

7. Data Retention

We retain your data for as long as your account is active or as needed to provide services. Upon account deletion:

1. Personal information is deleted within 30 days
2. Anonymized analytics data may be retained
3. Backup data is purged within 90 days

8. Your Rights

You have the right to:

1. Access: Request a copy of your personal data
2. Correction: Update or correct inaccurate information
3. Deletion: Request deletion of your account and data
4. Portability: Export your data in a common format
5. Opt-out: Unsubscribe from non-essential communications

9. Children's Privacy

DeetCode is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us immediately.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data in accordance with applicable laws.

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes via email or platform notification. The "Last Updated" date at the top indicates when this policy was last revised.

12. Contact Us

For privacy-related questions or requests, contact us at:

1. Email: support@deetcode.online
2. Data Protection Officer: support@deetcode.online