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Aurora AI Framework - Security and Compliance Guide

🌟 Overview

This comprehensive security and compliance guide covers all aspects of securing the Aurora AI framework, including enterprise-grade security practices, regulatory compliance, audit procedures, and security monitoring for all 27 integrated systems and 74 API endpoints.

🔒 Security Architecture

Security Layers

# security/architecture.yaml
security_layers:
  network_security:
    - firewall_configuration
    - ddos_protection
    - ssl_tls_termination
    - network_segmentation
    
  application_security:
    - authentication_authorization
    - input_validation
    - output_encoding
    - session_management
    
  data_security:
    - encryption_at_rest
    - encryption_in_transit
    - data_classification
    - access_controls
    
  infrastructure_security:
    - hardening_standards
    - vulnerability_management
    - patch_management
    - monitoring_logging

Security Policies

# security/security_policies.py
class SecurityPolicyManager:
    def __init__(self):
        self.policies = {
            'password_policy': {
                'min_length': 12,
                'require_uppercase': True,
                'require_lowercase': True,
                'require_numbers': True,
                'require_symbols': True,
                'max_age_days': 90,
                'history_count': 12
            },
            'session_policy': {
                'timeout_minutes': 30,
                'max_concurrent_sessions': 3,
                'secure_cookies': True,
                'csrf_protection': True
            },
            'api_security': {
                'rate_limiting': True,
                'requests_per_minute': 1000,
                'burst_limit': 100,
                'jwt_expiry': 3600,
                'refresh_token_expiry': 86400
            },
            'data_protection': {
                'encryption_algorithm': 'AES-256-GCM',
                'key_rotation_days': 90,
                'backup_encryption': True,
                'audit_retention_days': 2555
            }
        }
    
    def validate_password(self, password):
        """Validate password against security policy"""
        policy = self.policies['password_policy']
        
        validations = []
        
        # Length validation
        if len(password) < policy['min_length']:
            validations.append(f"Password must be at least {policy['min_length']} characters")
        
        # Uppercase validation
        if policy['require_uppercase'] and not any(c.isupper() for c in password):
            validations.append("Password must contain at least one uppercase letter")
        
        # Lowercase validation
        if policy['require_lowercase'] and not any(c.islower() for c in password):
            validations.append("Password must contain at least one lowercase letter")
        
        # Numbers validation
        if policy['require_numbers'] and not any(c.isdigit() for c in password):
            validations.append("Password must contain at least one number")
        
        # Symbols validation
        if policy['require_symbols'] and not any(c in '!@#$%^&*()_+-=[]{}|;:,.<>?' for c in password):
            validations.append("Password must contain at least one special character")
        
        return {
            'valid': len(validations) == 0,
            'validations': validations
        }

🔐 Authentication and Authorization

JWT Authentication Implementation

# security/authentication.py
import jwt
import bcrypt
from datetime import datetime, timedelta
from functools import wraps
from flask import request, jsonify, g

class AuthenticationManager:
    def __init__(self, secret_key, algorithm='HS256'):
        self.secret_key = secret_key
        self.algorithm = algorithm
        self.token_expiry = timedelta(hours=1)
        self.refresh_token_expiry = timedelta(days=7)
    
    def hash_password(self, password):
        """Hash password using bcrypt"""
        salt = bcrypt.gensalt()
        hashed = bcrypt.hashpw(password.encode('utf-8'), salt)
        return hashed.decode('utf-8')
    
    def verify_password(self, password, hashed):
        """Verify password against hash"""
        return bcrypt.checkpw(password.encode('utf-8'), hashed.encode('utf-8'))
    
    def generate_tokens(self, user_id, permissions):
        """Generate access and refresh tokens"""
        # Access token
        access_payload = {
            'user_id': user_id,
            'permissions': permissions,
            'token_type': 'access',
            'exp': datetime.utcnow() + self.token_expiry,
            'iat': datetime.utcnow()
        }
        
        access_token = jwt.encode(
            access_payload, 
            self.secret_key, 
            algorithm=self.algorithm
        )
        
        # Refresh token
        refresh_payload = {
            'user_id': user_id,
            'token_type': 'refresh',
            'exp': datetime.utcnow() + self.refresh_token_expiry,
            'iat': datetime.utcnow()
        }
        
        refresh_token = jwt.encode(
            refresh_payload,
            self.secret_key,
            algorithm=self.algorithm
        )
        
        return {
            'access_token': access_token,
            'refresh_token': refresh_token,
            'expires_in': int(self.token_expiry.total_seconds())
        }
    
    def verify_token(self, token):
        """Verify JWT token"""
        try:
            payload = jwt.decode(
                token, 
                self.secret_key, 
                algorithms=[self.algorithm]
            )
            return payload
        except jwt.ExpiredSignatureError:
            return None
        except jwt.InvalidTokenError:
            return None
    
    def refresh_access_token(self, refresh_token):
        """Refresh access token using refresh token"""
        payload = self.verify_token(refresh_token)
        if not payload or payload.get('token_type') != 'refresh':
            return None
        
        # Get user permissions (from database or cache)
        user_permissions = self.get_user_permissions(payload['user_id'])
        
        # Generate new access token
        return self.generate_tokens(payload['user_id'], user_permissions)

def require_auth(f):
    """Decorator to require authentication"""
    @wraps(f)
    def decorated_function(*args, **kwargs):
        token = None
        
        # Get token from Authorization header
        auth_header = request.headers.get('Authorization')
        if auth_header:
            try:
                token = auth_header.split(' ')[1]
            except IndexError:
                return jsonify({'error': 'Invalid token format'}), 401
        
        # Verify token
        auth_manager = AuthenticationManager(current_app.config['SECRET_KEY'])
        payload = auth_manager.verify_token(token)
        
        if not payload:
            return jsonify({'error': 'Invalid or expired token'}), 401
        
        # Store user info in Flask g
        g.current_user = payload['user_id']
        g.user_permissions = payload.get('permissions', [])
        
        return f(*args, **kwargs)
    
    return decorated_function

def require_permission(permission):
    """Decorator to require specific permission"""
    def decorator(f):
        @wraps(f)
        @require_auth
        def decorated_function(*args, **kwargs):
            if permission not in g.user_permissions:
                return jsonify({'error': 'Insufficient permissions'}), 403
            return f(*args, **kwargs)
        return decorated_function
    return decorator

Role-Based Access Control (RBAC)

# security/rbac.py
class RBACManager:
    def __init__(self):
        self.roles = {
            'admin': {
                'permissions': [
                    'system:*',
                    'data:*',
                    'models:*',
                    'users:*',
                    'security:*',
                    'monitoring:*'
                ]
            },
            'data_scientist': {
                'permissions': [
                    'data:read',
                    'data:write',
                    'models:read',
                    'models:train',
                    'models:deploy',
                    'monitoring:read'
                ]
            },
            'analyst': {
                'permissions': [
                    'data:read',
                    'models:read',
                    'monitoring:read',
                    'reports:read'
                ]
            },
            'viewer': {
                'permissions': [
                    'data:read',
                    'monitoring:read',
                    'reports:read'
                ]
            }
        }
    
    def get_user_permissions(self, user_id):
        """Get permissions for a user"""
        # This would typically query a database
        # For demonstration, returning admin permissions
        return self.roles['admin']['permissions']
    
    def check_permission(self, user_id, permission):
        """Check if user has specific permission"""
        user_permissions = self.get_user_permissions(user_id)
        
        # Check direct permission
        if permission in user_permissions:
            return True
        
        # Check wildcard permissions
        for perm in user_permissions:
            if perm.endswith(':*'):
                prefix = perm[:-2]
                if permission.startswith(prefix + ':'):
                    return True
        
        return False
    
    def assign_role(self, user_id, role):
        """Assign role to user"""
        if role not in self.roles:
            raise ValueError(f"Unknown role: {role}")
        
        # This would typically update a database
        return True

🛡️ Data Protection

Encryption Implementation

# security/encryption.py
from cryptography.fernet import Fernet
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
import os
import base64

class EncryptionManager:
    def __init__(self):
        self.key = self._generate_key()
        self.fernet = Fernet(self.key)
    
    def _generate_key(self):
        """Generate encryption key from environment or create new one"""
        key_env = os.getenv('ENCRYPTION_KEY')
        if key_env:
            return base64.urlsafe_b64decode(key_env.encode())
        
        # Generate new key
        password = os.urandom(32)
        salt = os.urandom(16)
        kdf = PBKDF2HMAC(
            algorithm=hashes.SHA256(),
            length=32,
            salt=salt,
            iterations=100000,
        )
        key = base64.urlsafe_b64encode(kdf.derive(password))
        return key
    
    def encrypt_data(self, data):
        """Encrypt data"""
        if isinstance(data, str):
            data = data.encode('utf-8')
        
        encrypted_data = self.fernet.encrypt(data)
        return base64.urlsafe_b64encode(encrypted_data).decode('utf-8')
    
    def decrypt_data(self, encrypted_data):
        """Decrypt data"""
        if isinstance(encrypted_data, str):
            encrypted_data = encrypted_data.encode('utf-8')
        
        try:
            decoded_data = base64.urlsafe_b64decode(encrypted_data)
            decrypted_data = self.fernet.decrypt(decoded_data)
            return decrypted_data.decode('utf-8')
        except Exception as e:
            raise ValueError(f"Decryption failed: {str(e)}")
    
    def encrypt_sensitive_fields(self, data_dict, sensitive_fields):
        """Encrypt specific fields in a dictionary"""
        encrypted_dict = data_dict.copy()
        
        for field in sensitive_fields:
            if field in encrypted_dict and encrypted_dict[field]:
                encrypted_dict[field] = self.encrypt_data(str(encrypted_dict[field]))
        
        return encrypted_dict
    
    def decrypt_sensitive_fields(self, data_dict, sensitive_fields):
        """Decrypt specific fields in a dictionary"""
        decrypted_dict = data_dict.copy()
        
        for field in sensitive_fields:
            if field in decrypted_dict and decrypted_dict[field]:
                try:
                    decrypted_dict[field] = self.decrypt_data(decrypted_dict[field])
                except ValueError:
                    # Keep original value if decryption fails
                    pass
        
        return decrypted_dict

Data Classification

# security/data_classification.py
from enum import Enum

class DataClassification(Enum):
    PUBLIC = "public"
    INTERNAL = "internal"
    CONFIDENTIAL = "confidential"
    RESTRICTED = "restricted"

class DataClassifier:
    def __init__(self):
        self.classification_rules = {
            'user_data': {
                'email': DataClassification.CONFIDENTIAL,
                'phone': DataClassification.CONFIDENTIAL,
                'ssn': DataClassification.RESTRICTED,
                'credit_card': DataClassification.RESTRICTED,
                'address': DataClassification.CONFIDENTIAL,
                'name': DataClassification.INTERNAL
            },
            'system_data': {
                'logs': DataClassification.INTERNAL,
                'metrics': DataClassification.INTERNAL,
                'errors': DataClassification.INTERNAL,
                'config': DataClassification.INTERNAL,
                'api_keys': DataClassification.RESTRICTED,
                'passwords': DataClassification.RESTRICTED
            },
            'business_data': {
                'revenue': DataClassification.CONFIDENTIAL,
                'costs': DataClassification.CONFIDENTIAL,
                'strategies': DataClassification.CONFIDENTIAL,
                'financial_reports': DataClassification.CONFIDENTIAL
            }
        }
    
    def classify_data(self, data_dict):
        """Classify data based on field names and values"""
        classifications = {}
        
        for field, value in data_dict.items():
            classification = self._classify_field(field, value)
            classifications[field] = classification
        
        return classifications
    
    def _classify_field(self, field_name, field_value):
        """Classify individual field"""
        # Check field name patterns
        field_lower = field_name.lower()
        
        # Check for PII patterns
        if any(pattern in field_lower for pattern in ['email', 'mail']):
            return DataClassification.CONFIDENTIAL
        
        if any(pattern in field_lower for pattern in ['phone', 'mobile', 'tel']):
            return DataClassification.CONFIDENTIAL
        
        if any(pattern in field_lower for pattern in ['ssn', 'social_security']):
            return DataClassification.RESTRICTED
        
        if any(pattern in field_lower for pattern in ['credit_card', 'cc', 'card_number']):
            return DataClassification.RESTRICTED
        
        if any(pattern in field_lower for pattern in ['password', 'pwd', 'secret', 'key']):
            return DataClassification.RESTRICTED
        
        # Check value patterns
        if isinstance(field_value, str):
            # Email pattern
            if '@' in field_value and '.' in field_value:
                return DataClassification.CONFIDENTIAL
            
            # Phone pattern
            if self._is_phone_number(field_value):
                return DataClassification.CONFIDENTIAL
            
            # SSN pattern
            if self._is_ssn(field_value):
                return DataClassification.RESTRICTED
        
        # Default classification
        return DataClassification.INTERNAL
    
    def _is_phone_number(self, value):
        """Check if value looks like a phone number"""
        import re
        phone_pattern = re.compile(r'^\+?1?-?\.?\s?\(?=\d{3})\d{3}[-.\s]?\d{4}$')
        return bool(phone_pattern.match(value))
    
    def _is_ssn(self, value):
        """Check if value looks like SSN"""
        import re
        ssn_pattern = re.compile(r'^\d{3}-\d{2}-\d{4}$')
        return bool(ssn_pattern.match(value))

🔍 Security Monitoring

Security Event Monitoring

# security/security_monitoring.py
import json
import logging
from datetime import datetime
from collections import defaultdict, deque

class SecurityMonitor:
    def __init__(self):
        self.logger = logging.getLogger('security')
        self.security_events = deque(maxlen=10000)
        self.event_counts = defaultdict(int)
        self.alert_thresholds = {
            'failed_logins': 5,
            'suspicious_requests': 10,
            'data_access_violations': 1,
            'privilege_escalation': 1
        }
    
    def log_security_event(self, event_type, user_id, details, severity='medium'):
        """Log security event"""
        event = {
            'timestamp': datetime.utcnow().isoformat(),
            'event_type': event_type,
            'user_id': user_id,
            'details': details,
            'severity': severity,
            'source_ip': details.get('source_ip', 'unknown'),
            'user_agent': details.get('user_agent', 'unknown')
        }
        
        # Store event
        self.security_events.append(event)
        self.event_counts[event_type] += 1
        
        # Log to file
        self.logger.warning(f"Security Event: {event_type} - User: {user_id} - {details}")
        
        # Check for alerts
        self._check_alert_conditions(event_type, event)
    
    def _check_alert_conditions(self, event_type, event):
        """Check if security event should trigger alert"""
        threshold = self.alert_thresholds.get(event_type, float('inf'))
        
        if self.event_counts[event_type] >= threshold:
            self._send_security_alert(event_type, event)
    
    def _send_security_alert(self, event_type, event):
        """Send security alert"""
        alert = {
            'alert_type': 'SECURITY_VIOLATION',
            'event_type': event_type,
            'severity': 'high',
            'event': event,
            'event_count': self.event_counts[event_type],
            'timestamp': datetime.utcnow().isoformat()
        }
        
        # Send to monitoring system
        self._send_to_monitoring_system(alert)
        
        # Send to Slack/email
        self._send_notification(alert)
    
    def _send_to_monitoring_system(self, alert):
        """Send alert to monitoring system"""
        # Integration with monitoring system
        pass
    
    def _send_notification(self, alert):
        """Send notification via Slack/email"""
        # Integration with notification system
        pass
    
    def get_security_report(self, hours=24):
        """Generate security report"""
        cutoff_time = datetime.utcnow() - timedelta(hours=hours)
        
        recent_events = [
            event for event in self.security_events
            if datetime.fromisoformat(event['timestamp']) > cutoff_time
        ]
        
        report = {
            'report_period': f"Last {hours} hours",
            'total_events': len(recent_events),
            'event_breakdown': defaultdict(int),
            'severity_breakdown': defaultdict(int),
            'top_events': [],
            'recommendations': []
        }
        
        # Analyze events
        for event in recent_events:
            report['event_breakdown'][event['event_type']] += 1
            report['severity_breakdown'][event['severity']] += 1
        
        # Top events
        sorted_events = sorted(
            report['event_breakdown'].items(),
            key=lambda x: x[1],
            reverse=True
        )
        report['top_events'] = sorted_events[:10]
        
        # Recommendations
        if report['event_breakdown'].get('failed_logins', 0) > 10:
            report['recommendations'].append(
                "High number of failed logins detected - consider implementing account lockout"
            )
        
        if report['event_breakdown'].get('data_access_violations', 0) > 0:
            report['recommendations'].append(
                "Data access violations detected - review user permissions"
            )
        
        return report

Intrusion Detection

# security/intrusion_detection.py
import time
import hashlib
from collections import defaultdict

class IntrusionDetector:
    def __init__(self):
        self.request_patterns = defaultdict(list)
        self.ip_reputations = {}
        self.anomaly_thresholds = {
            'requests_per_minute': 1000,
            'failed_requests_per_minute': 50,
            'unique_ips_per_minute': 100,
            'suspicious_patterns': 5
        }
    
    def analyze_request(self, request_data):
        """Analyze request for suspicious patterns"""
        ip_address = request_data.get('source_ip')
        user_agent = request_data.get('user_agent', '')
        endpoint = request_data.get('endpoint')
        timestamp = time.time()
        
        # Track request patterns
        key = f"{ip_address}:{hashlib.md5(user_agent.encode()).hexdigest()}"
        self.request_patterns[key].append({
            'timestamp': timestamp,
            'endpoint': endpoint,
            'user_id': request_data.get('user_id'),
            'status': request_data.get('status_code', 200)
        })
        
        # Clean old patterns (older than 1 hour)
        cutoff_time = timestamp - 3600
        self.request_patterns[key] = [
            req for req in self.request_patterns[key]
            if req['timestamp'] > cutoff_time
        ]
        
        # Check for anomalies
        anomalies = self._detect_anomalies(key, request_data)
        
        if anomalies:
            self._handle_intrusion_attempt(key, request_data, anomalies)
        
        return anomalies
    
    def _detect_anomalies(self, key, request_data):
        """Detect anomalous request patterns"""
        anomalies = []
        patterns = self.request_patterns[key]
        
        if len(patterns) == 0:
            return anomalies
        
        # Rate limiting check
        recent_requests = [
            req for req in patterns
            if time.time() - req['timestamp'] < 60
        ]
        
        if len(recent_requests) > self.anomaly_thresholds['requests_per_minute']:
            anomalies.append({
                'type': 'rate_limit_exceeded',
                'count': len(recent_requests),
                'threshold': self.anomaly_thresholds['requests_per_minute']
            })
        
        # Failed requests check
        failed_requests = [
            req for req in recent_requests
            if req['status'] >= 400
        ]
        
        if len(failed_requests) > self.anomaly_thresholds['failed_requests_per_minute']:
            anomalies.append({
                'type': 'high_failure_rate',
                'count': len(failed_requests),
                'threshold': self.anomaly_thresholds['failed_requests_per_minute']
            })
        
        # Suspicious endpoint access
        sensitive_endpoints = ['/api/users', '/api/admin', '/api/config/secrets']
        sensitive_access = [
            req for req in recent_requests
            if req['endpoint'] in sensitive_endpoints
        ]
        
        if len(sensitive_access) > self.anomaly_thresholds['suspicious_patterns']:
            anomalies.append({
                'type': 'sensitive_endpoint_access',
                'count': len(sensitive_access),
                'endpoints': list(set(req['endpoint'] for req in sensitive_access))
            })
        
        return anomalies
    
    def _handle_intrusion_attempt(self, key, request_data, anomalies):
        """Handle detected intrusion attempt"""
        ip_address = request_data.get('source_ip')
        
        # Update IP reputation
        if ip_address not in self.ip_reputations:
            self.ip_reputations[ip_address] = {'score': 100, 'violations': 0}
        
        self.ip_reputations[ip_address]['violations'] += 1
        self.ip_reputations[ip_address]['score'] -= 20
        
        # Log intrusion attempt
        logging.warning(f"Intrusion attempt detected from {ip_address}: {anomalies}")
        
        # Take action based on severity
        if self.ip_reputations[ip_address]['score'] < 50:
            self._block_ip(ip_address)
    
    def _block_ip(self, ip_address):
        """Block IP address"""
        # Integration with firewall or load balancer
        logging.critical(f"Blocking IP address: {ip_address}")

📋 Compliance Framework

GDPR Compliance

# compliance/gdpr.py
class GDPRComplianceManager:
    def __init__(self):
        self.data_subject_requests = []
        self.consent_records = {}
        self.data_processing_records = []
    
    def record_consent(self, user_id, consent_data, purpose):
        """Record user consent"""
        consent_record = {
            'user_id': user_id,
            'consent_given': datetime.utcnow().isoformat(),
            'consent_data': consent_data,
            'purpose': purpose,
            'legal_basis': 'explicit_consent',
            'retention_period': consent_data.get('retention_period', 2555),  # 7 years in days
            'withdrawn': None
        }
        
        self.consent_records[user_id] = consent_record
        
        # Log consent record
        logging.info(f"Consent recorded for user {user_id} for purpose: {purpose}")
    
    def withdraw_consent(self, user_id):
        """Withdraw user consent"""
        if user_id in self.consent_records:
            self.consent_records[user_id]['withdrawn'] = datetime.utcnow().isoformat()
            
            # Schedule data deletion
            self._schedule_data_deletion(user_id)
            
            logging.info(f"Consent withdrawn for user {user_id}")
    
    def handle_data_subject_request(self, request_type, user_id, contact_info):
        """Handle GDPR data subject request"""
        request_record = {
            'request_id': f"DSR-{datetime.utcnow().strftime('%Y%m%d%H%M%S')}",
            'request_type': request_type,  # access, rectification, erasure, portability
            'user_id': user_id,
            'contact_info': contact_info,
            'request_date': datetime.utcnow().isoformat(),
            'status': 'received',
            'response_date': None
        }
        
        self.data_subject_requests.append(request_record)
        
        # Process request based on type
        if request_type == 'access':
            self._provide_data_access(user_id, request_record['request_id'])
        elif request_type == 'erasure':
            self._erase_user_data(user_id, request_record['request_id'])
        elif request_type == 'portability':
            self._provide_data_portability(user_id, request_record['request_id'])
        
        return request_record
    
    def _provide_data_access(self, user_id, request_id):
        """Provide data access to user"""
        user_data = self._collect_user_data(user_id)
        
        # Format data for user
        accessible_data = {
            'personal_data': user_data.get('personal', {}),
            'usage_data': user_data.get('usage', {}),
            'consent_records': self.consent_records.get(user_id, {}),
            'data_retention': user_data.get('retention', {})
        }
        
        # Update request status
        for request in self.data_subject_requests:
            if request['request_id'] == request_id:
                request['status'] = 'completed'
                request['response_date'] = datetime.utcnow().isoformat()
                break
        
        logging.info(f"Data access provided for user {user_id}")
    
    def _erase_user_data(self, user_id, request_id):
        """Erase user data (Right to be forgotten)"""
        # Anonymize or delete user data
        self._anonymize_user_data(user_id)
        
        # Update consent records
        if user_id in self.consent_records:
            self.consent_records[user_id]['erased'] = datetime.utcnow().isoformat()
        
        # Update request status
        for request in self.data_subject_requests:
            if request['request_id'] == request_id:
                request['status'] = 'completed'
                request['response_date'] = datetime.utcnow().isoformat()
                break
        
        logging.info(f"User data erased for user {user_id}")
    
    def _anonymize_user_data(self, user_id):
        """Anonymize user data while preserving analytics"""
        # Replace user identifiers with anonymous equivalents
        # This would integrate with your database systems
        pass
    
    def generate_data_protection_impact_assessment(self):
        """Generate DPIA for new data processing"""
        dpia = {
            'assessment_id': f"DPIA-{datetime.utcnow().strftime('%Y%m%d%H%M%S')}",
            'assessment_date': datetime.utcnow().isoformat(),
            'controller': "Aurora AI Systems",
            'data_processor': "Aurora AI Systems",
            'purposes': [
                "Machine learning model training",
                "User analytics",
                "System optimization"
            ],
            'categories_of_data': [
                "Personal identifiers",
                "Usage patterns",
                "Performance metrics"
            ],
            'recipients': [
                "Internal teams",
                "Service providers"
            ],
            'retention_period': "7 years",
            'security_measures': [
                "Encryption at rest and in transit",
                "Access controls",
                "Audit logging"
            ],
            'rights_of_data_subjects': [
                "Right to access",
                "Right to rectification",
                "Right to erasure",
                "Right to portability",
                "Right to object"
            ],
            'legitimate_interests': [
                "System improvement",
                "Fraud prevention",
                "Security monitoring"
            ]
        }
        
        return dpia

SOC 2 Compliance

# compliance/soc2.py
class SOC2ComplianceManager:
    def __init__(self):
        self.control_mappings = {
            'access_control': {
                'controls': [
                    'AC-1: Access Control Policy',
                    'AC-2: Access Control Program',
                    'AC-3: Access Enforcement',
                    'AC-4: Access Control Review'
                ],
                'implementation': 'RBAC system with role-based permissions'
            },
            'system_operations': {
                'controls': [
                    'CC-1: Change Control Policy',
                    'CC-2: Change Control Program',
                    'CC-3: Change Control Implementation',
                    'CC-4: Change Control Monitoring'
                ],
                'implementation': 'CI/CD pipeline with automated testing'
            },
            'risk_assessment': {
                'controls': [
                    'RA-1: Risk Assessment Policy',
                    'RA-2: Risk Assessment Program',
                    'RA-3: Risk Assessment Implementation',
                    'RA-4: Risk Assessment Monitoring'
                ],
                'implementation': 'Regular security assessments and penetration testing'
            }
        }
    
    def generate_soc2_report(self):
        """Generate SOC 2 Type II compliance report"""
        report = {
            'report_id': f"SOC2-{datetime.utcnow().strftime('%Y%m%d%H%M%S')}",
            'report_period': f"{(datetime.utcnow() - timedelta(days=90)).strftime('%Y-%m-%d')} to {datetime.utcnow().strftime('%Y-%m-%d')}",
            'service_organization': "Aurora AI Systems",
            'criteria_reference': 'SOC 2 Type II',
            'trust_services_criteria': {
                'security': self._assess_security_controls(),
                'availability': self._assess_availability_controls(),
                'processing_integrity': self._assess_integrity_controls(),
                'confidentiality': self._assess_confidentiality_controls(),
                'privacy': self._assess_privacy_controls()
            },
            'system_description': self._describe_system_architecture(),
            'control_environment': self._describe_control_environment(),
            'relevant_aspects': self._identify_relevant_aspects(),
            'tested_controls': self._list_tested_controls(),
            'test_results': self._summarize_test_results(),
            'opinion': 'Unqualified opinion'
        }
        
        return report
    
    def _assess_security_controls(self):
        """Assess security controls"""
        return {
            'AC-1': {
                'status': 'Implemented',
                'description': 'Comprehensive access control policy established',
                'evidence': 'Policy documents, access control logs'
            },
            'AC-2': {
                'status': 'Implemented',
                'description': 'Formal access control program in place',
                'evidence': 'Program documentation, training records'
            },
            'AC-3': {
                'status': 'Implemented',
                'description': 'Automated access enforcement for all systems',
                'evidence': 'System logs, access control configuration'
            }
        }
    
    def _assess_availability_controls(self):
        """Assess availability controls"""
        return {
            'A-1': {
                'status': 'Implemented',
                'description': 'Availability objectives defined and monitored',
                'evidence': 'SLA documents, monitoring dashboards'
            },
            'A-2': {
                'status': 'Implemented',
                'description': 'System availability monitoring in place',
                'evidence': 'Monitoring logs, uptime reports'
            }
        }
    
    def _assess_integrity_controls(self):
        """Assess processing integrity controls"""
        return {
            'I-1': {
                'status': 'Implemented',
                'description': 'Input data validation controls in place',
                'evidence': 'Validation logs, data quality reports'
            },
            'I-2': {
                'status': 'Implemented',
                'description': 'Data processing integrity controls implemented',
                'evidence': 'Processing logs, audit trails'
            }
        }
    
    def _assess_confidentiality_controls(self):
        """Assess confidentiality controls"""
        return {
            'C-1': {
                'status': 'Implemented',
                'description': 'Data confidentiality controls established',
                'evidence': 'Encryption logs, access logs'
            },
            'C-2': {
                'status': 'Implemented',
                'description': 'Data confidentiality agreements in place',
                'evidence': 'Agreements, policy documents'
            }
        }
    
    def _assess_privacy_controls(self):
        """Assess privacy controls"""
        return {
            'P-1': {
                'status': 'Implemented',
                'description': 'Privacy policy and notices available',
                'evidence': 'Privacy policy, website notices'
            },
            'P-2': {
                'status': 'Implemented',
                'description': 'User consent management system in place',
                'evidence': 'Consent logs, user interface'
            }
        }

🔍 Security Auditing

Security Audit Framework

# security/auditing.py
class SecurityAuditor:
    def __init__(self):
        self.audit_findings = []
        self.audit_recommendations = []
    
    def conduct_security_audit(self):
        """Conduct comprehensive security audit"""
        audit_report = {
            'audit_id': f"AUDIT-{datetime.utcnow().strftime('%Y%m%d%H%M%S')}",
            'audit_date': datetime.utcnow().isoformat(),
            'auditor': "Security Team",
            'scope': "Full System Security Assessment",
            'findings': [],
            'risk_assessment': {},
            'recommendations': [],
            'compliance_status': {}
        }
        
        # Conduct audit checks
        audit_checks = [
            self._audit_authentication,
            self._audit_authorization,
            self._audit_data_protection,
            self._audit_network_security,
            self._audit_infrastructure_security,
            self._audit_logging_monitoring,
            self._audit_incident_response
        ]
        
        for check in audit_checks:
            finding = check()
            audit_report['findings'].append(finding)
        
        # Generate risk assessment
        audit_report['risk_assessment'] = self._assess_overall_risk(audit_report['findings'])
        
        # Generate recommendations
        audit_report['recommendations'] = self._generate_recommendations(audit_report['findings'])
        
        # Assess compliance
        audit_report['compliance_status'] = self._assess_compliance(audit_report['findings'])
        
        return audit_report
    
    def _audit_authentication(self):
        """Audit authentication controls"""
        findings = []
        
        # Check password policies
        password_policy_check = self._check_password_policy()
        findings.append(password_policy_check)
        
        # Check MFA implementation
        mfa_check = self._check_mfa_implementation()
        findings.append(mfa_check)
        
        # Check session management
        session_check = self._check_session_management()
        findings.append(session_check)
        
        return {
            'area': 'Authentication',
            'findings': findings,
            'overall_score': self._calculate_score(findings)
        }
    
    def _audit_authorization(self):
        """Audit authorization controls"""
        findings = []
        
        # Check RBAC implementation
        rbac_check = self._check_rbac_implementation()
        findings.append(rbac_check)
        
        # Check privilege escalation
        privilege_check = self._check_privilege_escalation()
        findings.append(privilege_check)
        
        return {
            'area': 'Authorization',
            'findings': findings,
            'overall_score': self._calculate_score(findings)
        }
    
    def _audit_data_protection(self):
        """Audit data protection controls"""
        findings = []
        
        # Check encryption implementation
        encryption_check = self._check_encryption_implementation()
        findings.append(encryption_check)
        
        # Check data classification
        classification_check = self._check_data_classification()
        findings.append(classification_check)
        
        return {
            'area': 'Data Protection',
            'findings': findings,
            'overall_score': self._calculate_score(findings)
        }
    
    def _check_password_policy(self):
        """Check password policy implementation"""
        return {
            'control': 'Password Policy',
            'status': 'Compliant',
            'details': 'Strong password policy implemented with complexity requirements',
            'risk_level': 'Low',
            'evidence': 'Configuration files, user interface validation'
        }
    
    def _check_mfa_implementation(self):
        """Check MFA implementation"""
        return {
            'control': 'Multi-Factor Authentication',
            'status': 'Partially Implemented',
            'details': 'MFA available for admin users but not all users',
            'risk_level': 'Medium',
            'evidence': 'Authentication configuration, user settings'
        }
    
    def _check_session_management(self):
        """Check session management"""
        return {
            'control': 'Session Management',
            'status': 'Compliant',
            'details': 'Secure session management with timeout and invalidation',
            'risk_level': 'Low',
            'evidence': 'Session configuration, security logs'
        }
    
    def _calculate_score(self, findings):
        """Calculate security score for findings"""
        total_score = 0
        max_score = 0
        
        for finding in findings:
            if finding['status'] == 'Compliant':
                total_score += 100
            elif finding['status'] == 'Partially Implemented':
                total_score += 60
            elif finding['status'] == 'Non-Compliant':
                total_score += 0
            max_score += 100
        
        return (total_score / max_score) * 100 if max_score > 0 else 0

📊 Security Metrics and Reporting

Security Dashboard

# security/dashboard.py
class SecurityDashboard:
    def __init__(self):
        self.metrics_collector = SecurityMetricsCollector()
    
    def get_security_dashboard_data(self):
        """Get security dashboard data"""
        return {
            'overview': self._get_security_overview(),
            'threat_landscape': self._get_threat_landscape(),
            'compliance_status': self._get_compliance_status(),
            'security_events': self._get_recent_security_events(),
            'vulnerability_status': self._get_vulnerability_status(),
            'risk_assessment': self._get_risk_assessment()
        }
    
    def _get_security_overview(self):
        """Get security overview metrics"""
        return {
            'security_score': 92.5,
            'active_threats': 3,
            'blocked_attacks': 127,
            'security_posture': 'Strong',
            'last_assessment': '2026-05-01',
            'compliance_percentage': 94.2
        }
    
    def _get_threat_landscape(self):
        """Get threat landscape data"""
        return {
            'top_threats': [
                {
                    'threat_type': 'Brute Force Attack',
                    'count': 45,
                    'trend': 'Decreasing',
                    'severity': 'Medium'
                },
                {
                    'threat_type': 'SQL Injection',
                    'count': 12,
                    'trend': 'Stable',
                    'severity': 'High'
                },
                {
                    'threat_type': 'DDoS Attack',
                    'count': 8,
                    'trend': 'Increasing',
                    'severity': 'High'
                }
            ],
            'threat_trends': {
                'overall_trend': 'Improving',
                'new_threats_this_month': 23,
                'resolved_threats_this_month': 31
            }
        }

Aurora AI Security and Compliance Guide
Enterprise Security • Data Protection • Compliance • Risk Management