# TODO 10 - Security

## Security Testing

- [x] Add unit tests for security-scanner.ts ✅ (24 parameterized tests)
- [x] Add unit tests for password-utils.ts ✅ (12 tests)

## Authentication

- [ ] Implement secure password hashing (verify SHA-512 implementation)
- [ ] Add password strength requirements
- [ ] Implement account lockout after failed attempts (`frontends/nextjs/src/lib/security/secure-db/operations/verify-credentials.ts:16`)
- [ ] Add password reset flow with secure tokens
- [ ] Create session management with secure cookies

## Authorization

- [ ] Audit all permission checks for proper level enforcement
- [ ] Add API endpoint authorization middleware
- [ ] Implement resource-level access control
- [ ] Create permission audit logging
- [ ] Add role-based access control (RBAC) management UI

## Data Protection

- [ ] Implement encryption at rest for sensitive data
- [ ] Add field-level encryption for PII
- [ ] Create data anonymization utilities
- [ ] Implement secure data export with access controls
- [ ] Add data retention policy enforcement

## API Security

- [ ] Add rate limiting to all API endpoints (`frontends/nextjs/src/lib/security/secure-db/rate-limit-store.ts:1`)
- [ ] Implement request validation middleware
- [ ] Add CORS configuration review
- [ ] Create API key management system
- [ ] Implement request signing for sensitive operations

## Input Validation

- [ ] Audit all user inputs for injection vulnerabilities
- [ ] Add XSS prevention for rendered content
- [ ] Implement SQL injection prevention (parameterized queries)
- [ ] Create file upload validation and sanitization
- [ ] Add content security policy headers

## Dependency Security

- [ ] Set up automated vulnerability scanning
- [ ] Create dependency update policy
- [ ] Add license compliance checking
- [ ] Implement supply chain security measures
- [ ] Create security advisory response process

## Audit & Compliance

- [ ] Implement comprehensive audit logging (`frontends/nextjs/src/lib/security/secure-db/log-operation.ts:28`, `frontends/nextjs/src/lib/security/secure-db/operations/get-audit-logs.ts:14`)
- [ ] Create security event monitoring
- [ ] Add login/logout activity tracking
- [ ] Implement data access logging
- [ ] Create compliance reporting tools

## Secrets Management

- [ ] Review environment variable handling
- [ ] Implement secrets rotation
- [ ] Add secrets scanning in CI
- [ ] Create secure configuration management
- [ ] Document secrets handling procedures
