Security
Security Architecture
Network Security
AWS VPC with private subnets
Isolated virtual private cloud environment for all Buburuza infrastructure
Private subnets ensure backend services are not directly accessible from the internet
Multi-availability zone deployment for enhanced security and redundancy
Network ACLs and Security Groups
Network Access Control Lists provide subnet-level security filtering
Security Groups act as virtual firewalls controlling inbound and outbound traffic
Principle of least privilege applied to all network access rules
AWS Shield DDoS protection
AWS Shield Standard provides automatic DDoS protection for all resources
Advanced threat detection and mitigation for volumetric attacks
Real-time attack visibility and post-attack forensics
VPN connections for admin access
Secure VPN tunnels for administrative access to production systems
Multi-factor authentication required for all VPN connections
Encrypted communication channels for sensitive operations
Application Security
AWS WAF with custom rules
Web Application Firewall protecting against common web exploits
Custom rule sets tailored for financial services applications
Real-time blocking of malicious requests and bot traffic
Input validation & sanitization
Comprehensive input validation for all user-submitted data
Server-side validation to prevent malicious data injection
Data sanitization to neutralize potentially harmful content
SQL injection prevention
Parameterized queries and prepared statements for database operations
Input validation and escaping for dynamic SQL construction
Regular security testing to identify potential injection vulnerabilities
XSS protection headers
Content Security Policy (CSP) headers to prevent cross-site scripting
X-Frame-Options and X-Content-Type-Options security headers
Secure cookie configuration with HTTPOnly and Secure flags
Data Security
AES-256 encryption at rest
Advanced Encryption Standard 256-bit encryption for all stored data
Database encryption using transparent data encryption (TDE)
File system and backup encryption using industry-standard algorithms
TLS 1.3 for data in transit
Transport Layer Security 1.3 for all network communications
Perfect Forward Secrecy ensuring past sessions remain secure
Certificate pinning for mobile applications to prevent man-in-the-middle attacks
AWS KMS key management
AWS Key Management Service for centralized key lifecycle management
Hardware Security Modules (HSM) for key generation and storage
Automatic key rotation and audit trail for all key operations
Database field encryption
Column-level encryption for sensitive data fields (PII, financial data)
Separate encryption keys for different data types and sensitivity levels
Application-layer encryption for additional protection of critical information
Access Control
JWT with 15-min expiration
JSON Web Tokens for stateless authentication and authorization
Short token lifetime (15 minutes) to minimize exposure window
Refresh token mechanism for seamless user experience
Biometric authentication
Fingerprint and facial recognition for mobile device access
Local biometric data storage with hardware-backed security
Fallback authentication methods for device compatibility
Role-based permissions (RBAC)
Granular role definitions based on job functions and responsibilities
Principle of least privilege for all user and service accounts
Regular access reviews and permission audits
MFA for admin access
Multi-factor authentication mandatory for all administrative accounts
Hardware tokens and authenticator apps for second factor
Emergency access procedures with additional verification steps
Compliance
PCI DSS compliance
Payment Card Industry Data Security Standard certification
Secure cardholder data handling and storage procedures
Regular compliance audits and vulnerability assessments
GDPR data privacy
General Data Protection Regulation compliance for EU users
Data subject rights implementation (access, portability, deletion)
Privacy by design principles in all system architectures
AML/KYC regulations
Anti-Money Laundering and Know Your Customer compliance
Automated transaction monitoring and suspicious activity reporting
Customer due diligence and enhanced due diligence procedures
SOC 2 Type II
Service Organization Control 2 Type II certification
Independent auditing of security, availability, and confidentiality controls
Continuous monitoring and improvement of internal controls
Monitoring
AWS CloudWatch alerts
Real-time monitoring of system performance and security metrics
Automated alerting for anomalous behavior and threshold breaches
Custom dashboards for security operations center (SOC) monitoring
Real-time threat detection
Machine learning-based anomaly detection for user behavior
Integration with threat intelligence feeds for known indicators of compromise
Automated response to high-confidence security events
Audit trail logging
Comprehensive logging of all system activities and user actions
Immutable log storage with integrity verification
Centralized log management and analysis platform
Security incident response
24/7 security operations center with incident response capabilities
Predefined incident response playbooks for common scenarios
Integration with external security services and law enforcement
Security Best Practices
• Regular security audits and penetration testing
Quarterly third-party security assessments and penetration tests
Annual compliance audits by certified security firms
Continuous internal security testing and code reviews
• Automated vulnerability scanning in CI/CD pipeline
Static Application Security Testing (SAST) integrated into development workflow
Dynamic Application Security Testing (DAST) for runtime vulnerability detection
Dependency scanning for third-party library vulnerabilities
• Zero-trust network architecture
Never trust, always verify principle for all network communications
Microsegmentation to limit lateral movement in case of breach
Identity-based access controls regardless of network location
• Principle of least privilege for all access
Minimal access rights granted based on job requirements
Regular access reviews and privilege escalation procedures
Just-in-time access for administrative operations
• Regular security training for development team
Monthly security awareness training for all employees
Specialized secure coding training for development teams
Phishing simulation and social engineering awareness programs
Security Architecture Benefits
Defense in Depth
Multiple Security Layers: Overlapping security controls at network, application, and data levels
Redundant Protection: Backup security measures in case primary controls fail
Comprehensive Coverage: Protection against diverse threat vectors and attack methods
Compliance Readiness
Regulatory Alignment: Built-in compliance with major financial regulations
Audit Preparedness: Comprehensive documentation and evidence collection
Global Standards: Adherence to international security frameworks and standards
Threat Detection and Response
Proactive Monitoring: 24/7 security monitoring with real-time threat detection
Rapid Response: Automated incident response for immediate threat mitigation
Forensic Capabilities: Detailed logging and analysis for post-incident investigation
Risk Management
Risk Assessment: Regular evaluation of security risks and mitigation strategies
Business Continuity: Security measures that ensure operational resilience
Stakeholder Confidence: Demonstrated commitment to security and privacy protection
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