# SMOA Security Configuration Guide

**Version:** 1.0  
**Last Updated:** 2024-12-20  
**Status:** Draft - In Progress  
**Classification:** Internal Use

---

## Security Configuration Overview

### Configuration Principles
- **Security by Default:** Secure default configurations
- **Least Privilege:** Minimum necessary permissions
- **Defense in Depth:** Multiple security layers
- **Regular Updates:** Keep configurations current
- **Documentation:** Document all security configurations

### Configuration Scope
- **Application Configuration:** Application security settings
- **Device Configuration:** Device security settings
- **Network Configuration:** Network security settings
- **Certificate Configuration:** Certificate and key settings

---

## Hardening Procedures

### Operating System Hardening

#### Android Security Settings
- **Screen Lock:** Enable strong screen lock
- **Device Encryption:** Enable full device encryption
- **Developer Options:** Disable developer options in production
- **Unknown Sources:** Disable installation from unknown sources
- **USB Debugging:** Disable USB debugging in production

#### Android Enterprise Settings
- **MDM/UEM:** Enroll device in MDM/UEM
- **Device Policies:** Apply security policies
- **App Restrictions:** Restrict app installation
- **Network Restrictions:** Apply network restrictions

### Application Hardening

#### Application Security Settings
- **Debug Mode:** Disable debug mode in production
- **Logging:** Configure secure logging
- **Error Handling:** Secure error handling
- **Code Obfuscation:** Enable code obfuscation
- **Anti-Tampering:** Enable anti-tampering measures

#### Permission Restrictions
- **Minimum Permissions:** Request minimum necessary permissions
- **Runtime Permissions:** Use runtime permission model
- **Permission Validation:** Validate permissions before use
- **Permission Monitoring:** Monitor permission usage

### Network Hardening

#### Network Security Settings
- **TLS Configuration:** Configure strong TLS settings
- **Certificate Pinning:** Enable certificate pinning
- **VPN Requirements:** Enforce VPN for sensitive operations
- **Network Monitoring:** Enable network monitoring

#### Firewall Rules
- **Inbound Rules:** Restrict inbound connections
- **Outbound Rules:** Control outbound connections
- **Application Rules:** Application-specific rules
- **Network Segmentation:** Network segmentation where applicable

### Database Hardening

#### Database Security Settings
- **Database Encryption:** Enable database encryption
- **Access Controls:** Database access controls
- **Backup Encryption:** Encrypt database backups
- **Audit Logging:** Enable database audit logging

---

## Security Settings

### Authentication Settings

#### PIN Configuration
```kotlin
// PIN requirements
minLength = 6
maxLength = 12
requireNumeric = true
maxRetries = 5
lockoutDuration = 30 minutes
```

#### Biometric Configuration
```kotlin
// Biometric settings
fingerprintRequired = true
facialRecognitionRequired = true
livenessDetection = true
antiSpoofingEnabled = true
```

#### Session Configuration
```kotlin
// Session settings
sessionTimeout = 15 minutes
inactivityTimeout = 5 minutes
maxSessionDuration = 8 hours
reauthenticationRequired = true
```

### Encryption Settings

#### Data Encryption Configuration
```kotlin
// Encryption settings
algorithm = "AES-256-GCM"
keySize = 256
keyStorage = "HardwareBacked"
keyRotation = "Automatic"
rotationInterval = 90 days
```

#### Transport Encryption Configuration
```kotlin
// TLS settings
tlsVersion = "1.2+"
cipherSuites = ["TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"]
certificatePinning = true
mutualTLS = true (where required)
```

### Access Control Settings

#### RBAC Configuration
```kotlin
// RBAC settings
roleHierarchy = true
permissionValidation = true
dynamicPolicies = true
offlinePolicyCache = true
cacheTimeout = 24 hours
```

#### Policy Configuration
```kotlin
// Policy settings
policyUpdateFrequency = "OnConnectivity"
policyValidation = true
policyEnforcement = "Strict"
auditPolicyDecisions = true
```

### Audit Settings

#### Audit Logging Configuration
```kotlin
// Audit settings
auditEnabled = true
logLevel = "INFO"
logRetention = 90 days
immutableLogs = true
logEncryption = true
```

#### Audit Event Configuration
```kotlin
// Events to audit
auditAuthentication = true
auditAuthorization = true
auditDataAccess = true
auditConfigurationChanges = true
auditSecurityEvents = true
```

---

## Certificate Configuration

### Certificate Installation

#### Trusted Certificates
1. Obtain certificates from trusted CAs
2. Install certificates in secure storage
3. Configure certificate trust
4. Verify certificate installation
5. Test certificate validation

#### Certificate Validation
```kotlin
// Certificate validation
validateChain = true
checkRevocation = true
ocspEnabled = true
crlEnabled = true
trustListValidation = true
```

### Qualified Certificates (eIDAS)

#### QTSP Configuration
```kotlin
// QTSP settings
qtspEndpoint = "https://qtsp.example.com"
qtspCertificate = "qtsp-cert.pem"
euTrustListValidation = true
certificateValidation = true
```

---

## Key Management Configuration

### Key Storage Configuration

#### Hardware-Backed Storage
```kotlin
// Key storage
storageType = "HardwareBacked"
keyIsolation = true
keyBinding = "DeviceAndUser"
keyExportable = false
```

#### Key Lifecycle Configuration
```kotlin
// Key lifecycle
keyRotation = "Automatic"
rotationInterval = 90 days
keyRevocation = "OnSecurityEvent"
keyArchival = true
archivalPeriod = 7 years
```

---

## Security Validation

### Security Testing Procedures

#### Configuration Validation
1. **Review Configuration:** Review all security configurations
2. **Verify Settings:** Verify settings match requirements
3. **Test Functionality:** Test security functionality
4. **Validate Compliance:** Validate compliance with standards
5. **Document Results:** Document validation results

#### Security Audit Procedures
1. **Configuration Audit:** Audit security configurations
2. **Compliance Check:** Check compliance with policies
3. **Vulnerability Scan:** Scan for vulnerabilities
4. **Penetration Test:** Perform penetration testing
5. **Remediation:** Address identified issues

### Security Checklist

#### Pre-Deployment Checklist
- [ ] All security settings configured
- [ ] Device hardening completed
- [ ] Application hardening completed
- [ ] Network hardening completed
- [ ] Certificates installed and validated
- [ ] Keys generated and stored securely
- [ ] Audit logging enabled
- [ ] Security testing completed
- [ ] Security audit completed
- [ ] Documentation updated

#### Post-Deployment Checklist
- [ ] Security monitoring enabled
- [ ] Security alerts configured
- [ ] Incident response procedures ready
- [ ] Security updates scheduled
- [ ] Regular security reviews scheduled

---

## Security Best Practices

### Configuration Management
- **Version Control:** Version control configurations
- **Change Management:** Change management process
- **Documentation:** Document all changes
- **Testing:** Test configuration changes
- **Rollback:** Rollback procedures

### Security Updates
- **Regular Updates:** Regular security updates
- **Patch Management:** Patch management process
- **Vulnerability Management:** Vulnerability management
- **Update Testing:** Test updates before deployment

### Monitoring
- **Security Monitoring:** Continuous security monitoring
- **Alert Configuration:** Configure security alerts
- **Incident Response:** Incident response procedures
- **Regular Reviews:** Regular security reviews

---

## Troubleshooting

### Common Configuration Issues

#### Authentication Issues
- **Issue:** Authentication failures
- **Diagnosis:** Check PIN/biometric configuration
- **Resolution:** Verify configuration, re-enroll biometrics

#### Certificate Issues
- **Issue:** Certificate validation failures
- **Diagnosis:** Check certificate installation and trust
- **Resolution:** Reinstall certificates, verify trust chain

#### Encryption Issues
- **Issue:** Encryption/decryption failures
- **Diagnosis:** Check key storage and configuration
- **Resolution:** Verify key storage, regenerate keys if needed

---

## References

- [Security Architecture](SMOA-Security-Architecture.md)
- [Threat Model](SMOA-Threat-Model.md)
- [Incident Response Plan](SMOA-Incident-Response-Plan.md)
- [Administrator Guide](../admin/SMOA-Administrator-Guide.md)

---

**Document Owner:** Security Administrator  
**Last Updated:** 2024-12-20  
**Status:** Draft - In Progress  
**Classification:** Internal Use  
**Next Review:** 2024-12-27