We actively support the following versions of Xell Wallet with security updates:

We take security seriously. If you discover a security vulnerability, please follow these guidelines:

DO NOT create a public GitHub issue for security vulnerabilities.

Instead, please report security issues by emailing: [INSERT SECURITY EMAIL]

Include the following information:

• Description of the vulnerability
• Steps to reproduce the issue
• Potential impact assessment
• Any suggested fixes (if available)

1. Acknowledgment: We will acknowledge receipt of your report within 48 hours
2. Initial Assessment: We will provide an initial assessment within 5 business days
3. Regular Updates: We will keep you informed of our progress
4. Resolution: We aim to resolve critical issues within 30 days

We follow responsible disclosure practices:

• We will work with you to understand and resolve the issue
• We will not take legal action against researchers who follow this policy
• We will publicly acknowledge your contribution (unless you prefer to remain anonymous)

• Content Security Policy (CSP): Strict CSP implementation
• Permission Model: Minimal required permissions
• Secure Communication: Encrypted communication between components
• Input Validation: All user inputs are validated and sanitized

• Key Management: Private keys never leave the user's device
• Secure Storage: Encrypted storage using browser APIs
• Random Generation: Cryptographically secure random number generation
• Standard Algorithms: Use of well-established cryptographic libraries

• HTTPS Only: All network communications use HTTPS
• Certificate Pinning: Where applicable
• API Authentication: Secure API authentication mechanisms
• Rate Limiting: Protection against abuse

• Dependency Scanning: Regular security audits of dependencies
• Static Analysis: Automated code security analysis
• Code Reviews: All code changes undergo security review
• Minimal Attack Surface: Reduced code complexity and attack vectors

• Only install from official sources
• Verify extension signatures when possible
• Keep the extension updated to the latest version

• Never share your seed phrase or private keys
• Use strong, unique passwords
• Enable browser security features
• Be cautious of phishing attempts

• Use trusted networks when possible
• Avoid public Wi-Fi for sensitive operations
• Verify website URLs before connecting

We regularly conduct security audits and encourage:

• Independent security research
• Responsible disclosure of vulnerabilities
• Community security reviews

In case of a security incident:

1. Immediate Response: We will assess and contain the threat
2. User Notification: Users will be notified of any risks
3. Mitigation: We will deploy fixes as quickly as possible
4. Post-Incident Review: We will conduct a thorough review and improve our processes

Security updates are distributed through:

• Browser extension stores (automatic updates)
• GitHub releases with security advisories
• Direct communication for critical issues

For security-related inquiries:

• Email: [INSERT SECURITY EMAIL]
• PGP Key: [INSERT PGP KEY IF AVAILABLE]

For general questions:

• GitHub Issues: For non-security related issues
• GitHub Discussions: For community discussions

We thank the security research community for helping keep Xell Wallet secure. Security researchers who responsibly disclose vulnerabilities will be acknowledged in our security advisories (unless they prefer to remain anonymous).

Note: This security policy is subject to updates. Please check this document regularly for the latest information.