Week 10

 Week 10 


Network Segmentation Security

Network segmentation is a critical cybersecurity practice that involves dividing a network into smaller, isolated sections to enhance security, improve performance, and restrict access to sensitive data. This strategy helps prevent unauthorized access, contain cyber threats, and improve overall network management.

Benefits of Network Segmentation

Enhanced Security

  • Restricts access to sensitive systems, ensuring that only authorized users and devices can interact with critical data.
  • Limits the lateral movement of attackers within the network, reducing the impact of malware, ransomware, and insider threats.

Reduced Attack Surface

  • Minimizes the exposure of critical assets by separating them from less secure areas of the network.
  • Prevents threats from spreading across the entire infrastructure.

Improved Network Performance

  • Reduces congestion by limiting unnecessary traffic between network segments.
  • Helps prioritize bandwidth for critical applications and services.

Regulatory Compliance

  • Assists organizations in meeting security regulations such as HIPAA and GDPR which require data isolation and strict access control.
  • Provides audit trails and logs for compliance reporting.

 Common Use Cases for Network Segmentation

Securing IoT and Industrial Networks

  • IoT devices are isolated from corporate networks to prevent cyberattacks.
  • Manufacturing systems are segmented to prevent ransomware from affecting production lines.

Preventing Insider Threats & Lateral Movement

  • Internal departments have separate network zones to limit employee access.
  • Data centers implement micro-segmentation to prevent unauthorized access to cloud workloads.

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