We take the security of Stellar seriously. If you discover a vulnerability, please report it responsibly.

Please do NOT open a public issue for security vulnerabilities.

Instead, please send an email to: security@stellar-ecosystem.com

Include the following information in your report:

• Type of vulnerability (e.g., XSS, SQL injection, access control, etc.)
• Affected versions of Stellar
• Detailed description of the vulnerability
• Steps to reproduce the issue
• Potential impact of the vulnerability
• Any proof-of-concept code or screenshots (if available)

• Initial response: Within 48 hours
• Detailed assessment: Within 7 days
• Resolution timeline: Depends on severity, typically within 30 days

Our security team includes:

• Core maintainers
• Security advisors
• External security auditors

Stellar includes several built-in security features:

• End-to-end encryption using AES-256-GCM
• Differential privacy with configurable epsilon values
• Zero-knowledge architecture preventing data exposure
• Secure key management with hardware security module (HSM) support

• Role-based access control (RBAC)
• Multi-factor authentication (MFA)
• JWT-based authentication with short expiration
• API rate limiting and DDoS protection

• Privacy budget management preventing data leakage
• Consent management with audit trails
• Data retention policies with automatic deletion
• Anonymization techniques for sensitive data

• Container security with minimal attack surface
• Network isolation using micro-segmentation
• Regular security scanning and vulnerability assessment
• Compliance monitoring for GDPR, CCPA, and other regulations

1. Follow secure coding practices

   • Input validation and sanitization
   • Output encoding to prevent XSS
   • Parameterized queries to prevent SQL injection
   • Proper error handling without information disclosure

2. Use the security utilities provided

   • Encryption services from @stellar/shared
   • Privacy middleware for API endpoints
   • Validation schemas using Zod
   • Audit logging for sensitive operations

3. Test security features

   • Write security-focused tests
   • Test privacy controls thoroughly
   • Verify encryption/decryption workflows
   • Test access control mechanisms

1. Environment security

   • Use strong, unique passwords
   • Enable MFA for all accounts
   • Regular security updates and patches
   • Network monitoring and intrusion detection

2. Data protection

   • Encrypt all sensitive data at rest
   • Use TLS for all network communications
   • Implement proper backup and recovery procedures
   • Regular security audits and penetration testing

3. Access management

   • Principle of least privilege
   • Regular access reviews
   • Audit trail monitoring
   • Incident response procedures

1. Report received - Security team acknowledges receipt
2. Assessment - Team evaluates the vulnerability
3. Coordination - Team works with reporter to understand the issue
4. Remediation - Team develops and tests a fix
5. Deployment - Fix is deployed to production
6. Disclosure - Public disclosure after fix is deployed

We recognize and reward security researchers who help us improve Stellar:

• Hall of Fame - Recognition on our website
• Swag - Stellar merchandise
• Bounty - Monetary compensation for critical vulnerabilities
• Speaking opportunities - At our conferences and events

Severity Classification:

• Critical: Can compromise system integrity or cause data loss
• High: Can bypass security controls or access sensitive data
• Medium: Limited impact on security or privacy
• Low: Minor security issues with minimal impact

We conduct regular security audits:

• Code reviews by security experts
• Penetration testing by third-party firms
• Smart contract audits by specialized auditors
• Compliance audits for privacy regulations

Recent audit reports are available upon request for:

• Enterprise customers
• Security researchers
• Regulatory authorities

Contact: audits@stellar-ecosystem.com

• Level 1: Minor security issue with limited impact
• Level 2: Moderate security issue with potential data exposure
• Level 3: Critical security issue with system compromise
• Level 4: Catastrophic security issue with widespread impact

1. Detection - Automated monitoring and manual review
2. Assessment - Determine severity and impact
3. Containment - Isolate affected systems
4. Remediation - Apply fixes and patches
5. Recovery - Restore normal operations
6. Post-mortem - Analyze and improve processes

• Internal notification within 1 hour
• Customer notification within 24 hours (if applicable)
• Public disclosure as required by law and best practices
• Regular updates during incident resolution

Stellar is designed to comply with:

• GDPR (General Data Protection Regulation)
• CCPA (California Consumer Privacy Act)
• HIPAA (Health Insurance Portability and Accountability Act)
• SOC 2 (Service Organization Control 2)
• ISO 27001 (Information Security Management)

We are pursuing the following certifications:

• ISO 27001 - Information Security Management
• SOC 2 Type II - Security and Availability
• GDPR Compliance - Data Protection
• Privacy Seal - Privacy by Design

• Security Architecture
• Privacy Engineering
• Secure Development Guide
• Incident Response Plan

• Encryption utilities - @stellar/shared/encryption
• Privacy middleware - @stellar/backend/middleware/privacy
• Validation schemas - @stellar/shared/validation
• Audit logging - @stellar/backend/utils/logger

• OWASP Top 10
• NIST Cybersecurity Framework
• CIS Controls
• MITRE ATT&CK

• Email: security@stellar-ecosystem.com
• PGP Key: Available on request
• Response Time: Within 48 hours

• Email: info@stellar-ecosystem.com
• Discord: https://discord.gg/stellar
• Twitter: @stellar_security

• Platform: HackerOne
• Program: https://hackerone.com/stellar
• Policy: See bounty program details above

We thank the security community for their continued support in making Stellar more secure:

• Security researchers who report vulnerabilities
• Open source security tools and libraries
• Security auditors and penetration testers
• The broader security community

Remember: Security is everyone's responsibility. If you see something, say something!