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How does East-West Traffic Control protect traffic data?

East-West Traffic Control protects traffic data by monitoring, filtering, and securing communication between internal systems within a network, rather than just focusing on external (North-South) traffic. This is crucial because threats often originate from compromised internal devices or lateral movement within the network.

How it works:

  1. Micro-segmentation: Divides the network into smaller, isolated zones, limiting the spread of malware or unauthorized access.
  2. Traffic Inspection: Analyzes data packets between internal servers, workloads, or containers to detect anomalies or malicious behavior.
  3. Policy Enforcement: Applies rules to allow or block specific East-West traffic based on predefined security policies.

Example: In a cloud environment, if a virtual machine (VM) is compromised, East-West Traffic Control can prevent the threat from spreading to other VMs in the same subnet by enforcing strict segmentation and inspecting traffic flows.

For cloud-based implementations, Tencent Cloud's Cloud Virtual Network (CVN) and Security Group features can help enforce East-West Traffic Control. Additionally, Tencent Cloud Network Security Solutions like DDoS Protection and Intrusion Detection Systems (IDS) enhance visibility and defense against internal threats.