After analyzing a recent network intrusion, you are tasked with preparing a report. Which recommendation would best help prevent similar intrusions in the future?
Outsource network monitoring to an external Managed Security Services Provider (MSSP).
Create stronger password policies for all users.
Install updated antivirus software across all systems.
Implement network segmentation to limit lateral movement within the network.
The correct answer is to implement network segmentation. Network segmentation limits the attack surface by dividing the network into smaller, isolated segments. Even if an attacker breaches one segment, they cannot easily move laterally to other segments. The other options like installing antivirus software and creating strong passwords are good practices but alone are less effective in preventing future network intrusions. Using an external Managed Security Services Provider (MSSP) might enhance monitoring capabilities but does not directly prevent intrusions.
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What is network segmentation and how does it work?
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What other security measures can complement network segmentation?