🔒 Zero-Day Vulnerabilities

Zero-day vulnerabilities are security flaws unknown to the software vendor. These exploits can be used by hackers to breach systems before patches are available.

  • Detection: Use threat intelligence platforms like Mandiant
  • Mitigation: Regularly update software and implement sandboxing techniques
  • Example: The 2017 WannaCry ransomware exploited a zero-day vulnerability in Windows
Zero_Day_Vulnerability

🧠 Advanced Persistent Threats (APT)

APT refers to long-term targeted attacks by sophisticated actors. These attacks often involve multiple stages and require deep technical expertise.

  • Characteristics: Stealthy, multi-stage, and highly targeted
  • Defense Strategies:
    • Behavioral analysis
    • Network segmentation
    • Endpoint detection and response (EDR) systems
Advanced_Persistent_Threat

🧩 Cryptographic Techniques

Modern cybersecurity relies on advanced encryption methods to protect data integrity and confidentiality.

  • Common Algorithms: AES-256, RSA, Elliptic Curve Cryptography (ECC)
  • Key Concepts:
    • Quantum-resistant cryptography
    • Homomorphic encryption
    • Post-quantum security protocols
Encryption_Techniques

🛡️ Network Security Architecture

Building robust security frameworks requires layered defense mechanisms.

  • Core Components:
    • Firewalls & intrusion detection systems (IDS)
    • Virtual Private Networks (VPNs)
    • Zero Trust Architecture (ZTA)
  • Best Practices: Regular penetration testing and continuous monitoring

Explore our Network_Security_Guide for in-depth architecture diagrams.

📜 Compliance & Standards

Adhering to global cybersecurity standards is critical for organizations.

  • Major Frameworks:
    • NIST Cybersecurity Framework
    • ISO/IEC 27001
    • GDPR (General Data Protection Regulation)
  • Resources: Privacy_Policy for compliance requirements
Compliance_Standards