Cybersecurity Mastery (Part 2): Advanced Threat Protection

Cybersecurity Mastery (Part 2): Advanced Threat Protection for 2025

1. Implementing Zero Trust Architecture

The 3 core principles:

  1. Verify explicitly (never trust)
  2. Least privilege access
  3. Assume breach (monitor everything)

2. AI-Powered Threat Detection

# Anomaly detection with Python from sklearn.ensemble import IsolationForest import numpy as np # Sample network traffic data (features: duration, packets, size) data = np.array([[2, 50, 1024], [1, 45, 980], [120, 5000, 50000]]) # Last one is anomaly model = IsolationForest(contamination=0.1) model.fit(data) print(model.predict(data)) # -1 = anomaly

3. Blockchain for Security

Practical applications:

  • Immutable audit logs
  • Secure software updates
  • Decentralized identity

4. Quantum-Resistant Cryptography

Algorithms to adopt now:

  • CRYSTALS-Kyber (Key encapsulation)
  • CRYSTALS-Dilithium (Digital signatures)

5. The Future of Cybersecurity

2025+ trends to watch:

  • AI vs AI attacks
  • Biometric hacking
  • 5G/6G vulnerabilities
← Back to Part 1: Foundations