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You are the chief cybersecurity officer at a multi-national corporation, which specializes in satellite-based communication systems. Recently, you transitioned to a more advanced system architecture that includes multiple ground stations globally. These stations synchronize and communicate via a central hub that manages the distribution of encrypted data across the network. Upon reviewing the quarterly network logs, you uncover a series of sophisticated intrusions. These intrusions are intermittently taking place inground stations located in three continents. Evidence suggests that these attacks are coordinated, aiming to map out the network's communication paths, likely in preparation for a much larger scale cyber-attack. Further investigation uncovers small pockets of malware within the system, specifically designed to circumvent your current security controls. Given the criticality of ensuring uninterrupted satellite communication, which countermeasure would be most effective in thwarting these intrusions, ensuring data integrity, and maintaining the operational status of your satellite communication systems?
Network Segmentation:
Network segmentation involves dividing the network into smaller, isolated segments, each with its own security policies and controls. This limits the spread of malware and unauthorized access.
Micro-Segmentation:
Micro-segmentation takes this further by creating even smaller segments within each ground station, ensuring that even if one segment is compromised, the others remain secure.
Real-Time Threat Monitoring:
Deploying real-time threat monitoring allows for the detection and response to threats as they occur, providing a dynamic and adaptive security posture.
Dynamic Policy Adjustments:
Implementing policies that can adjust in real-time based on detected threats ensures that the network remains resilient against ongoing and evolving attacks.
By adopting an advanced network segmentation strategy with real-time monitoring and dynamic policy adjustments, the corporation can effectively counter sophisticated intrusions and ensure the integrity and operational status of its satellite communication systems.