#!/usr/bin/env python3
"""
Defense

Source: Chapter_13_Data_Provenance_and_Supply_Chain_Security
Category: supply_chain
"""

import argparse
import sys

# Data quality and anomaly detection
def detect_suspicious_training_data(data_batch):
    checks = [
        detect_duplicate_patterns(data_batch),  # Coordinated poisoning
        detect_seo_manipulation(data_batch),    # Over-optimized content
        detect_conflicting_advice(data_batch),  # Contradicts established facts
        check_source_diversity(data_batch),     # Too many from same IP range
        verify_domain_reputation(data_batch)    # New/suspicious domains
    ]

    return aggregate_risk_score(checks)


def main():
    """Command-line interface."""
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--verbose", "-v", action="store_true", help="Verbose output")
    args = parser.parse_args()
    
    # TODO: Add main execution logic
    pass

if __name__ == "__main__":
    main()