""" Network Intrusion Detection System """ import time import random from datetime import datetime class NetworkIntrusionDetector: def __init__(self): self.initialized = False self.monitoring = False ... def initialize(self): ... """Initialize NIDS""" ... print("Initializing Network Intrusion Detection System...") ... time.sleep(1) # Simulate initialization ... self.initialized = True ... print("NIDS initialized successfully") ... ... def monitor(self): ... """Monitor network traffic for suspicious activity""" ... if not self.initialized: ... return [] ... ... # Simulate network events ... events = [] ... ... # Random chance of generating events ... if random.random() < 0.1: # 10% chance per check ... event_type = random.choice(['network_traffic', 'suspicious_connection', 'port_scan']) ... ... if event_type == 'network_traffic': ... events.append({ ... 'type': 'network_traffic', ... 'timestamp': datetime.now().isoformat(), ... 'interface': random.choice(['eth0', 'wlan0']), ... 'traffic_mbps': random.randint(50, 500), ... 'destination_ip': f"192.168.1.{random.randint(1, 254)}" ... }) ... elif event_type == 'suspicious_connection': ... events.append({ ... 'type': 'suspicious_connection', ... 'timestamp': datetime.now().isoformat(), ... 'source_ip': f"10.0.0.{random.randint(1, 254)}", ... 'destination_ip': f"192.168.1.{random.randint(1, 254)}", ... 'port': random.randint(1024, 65535), ... 'protocol': random.choice(['TCP', 'UDP']) ... }) ... ... return events