[SECURITY] Implement Security Hardening and Compliance

[anonfedora]

Description

Implement comprehensive security measures including rate limiting, input validation, audit logging, and compliance checks for financial regulations.

Implementation Tasks

• Advanced rate limiting with user-specific limits
• Input validation and sanitization for all endpoints
• Comprehensive audit logging system
• AML/KYC compliance checks integration
• Security monitoring and intrusion detection
• Data encryption at rest and in transit
• Regular security scanning and vulnerability assessment
• Compliance reporting for regulators

Acceptance Criteria

• All inputs are validated and sanitized
• Rate limits prevent abuse and DoS attacks
• Audit trails cover all sensitive operations
• Compliance checks meet regulatory requirements
• Security monitoring detects suspicious activities
• Data protection follows industry standards

Priority

Critical - security and compliance requirements

[Wils580]

@Wils580 has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

I will like to work on this issue because it talks about data protection so I believe it's going to boost the system well with each members support

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Wils580 to this issue.

[drips-wave]

Congratulations, @Wils580! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

🧑‍💻 @Wils580: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊