You are a cybersecurity analyst conducting a security assessment of an organization's network. As part of your assessment, you analyze network traffic patterns and behavior to identify anomalous activities that may indicate a security breach. Which logical control technique would assist you in this process?
Question
You are a cybersecurity analyst conducting a security assessment of an organization's network. As part of your assessment, you analyze network traffic patterns and behavior to identify anomalous activities that may indicate a security breach. Which logical control technique would assist you in this process?
Solution
The logical control technique that would assist in this process is Intrusion Detection System (IDS) or Intrusion Prevention System (IPS).
Here are the steps:
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The IDS or IPS is installed in the network. This system monitors the network traffic and analyzes it against a database of known security threats.
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The system uses statistical anomaly detection, where it compares the current detected behavior with the baseline or 'normal' behavior. If the current behavior deviates significantly from the baseline, it is considered anomalous.
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The system also uses signature-based detection, where it looks for specific patterns or 'signatures' that are known to be associated with specific threats.
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If the system detects any anomalous activity or recognized threat signatures, it will send an alert to the cybersecurity analyst.
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The analyst then investigates the alert to determine if it is a false alarm or if it indicates a real security breach. If it is a real breach, the analyst takes steps to mitigate the threat.
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The IPS can also be configured to automatically take action to block or mitigate the threat, such as blocking traffic from a particular IP address or shutting down a particular network service.
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