35. Which of the following is the most common data loss path for an air-gapped network?
Answer: D
Removable devices are the most common data loss path for an air-gapped network.
Air-gapped networks, designed to be isolated from unsecured networks, often face data loss threats through removable devices. These devices can inadvertently introduce malware or allow data extraction, making them a significant vulnerability.
A) Bastion host
A bastion host is a critical component in network security, typically serving as a gateway between a secure and an untrusted network. While it can be a point of attack if misconfigured, it does not directly relate to data loss for air-gapped networks, which are primarily at risk from physical data transfer methods.
B) Unsecured Bluetooth
Unsecured Bluetooth can pose a risk in various networking scenarios, particularly in environments where devices are interconnected. However, in an air-gapped network, the primary concern is the physical transfer of data rather than wireless communication, making this option less relevant.
C) Unpatched OS
An unpatched operating system is a security vulnerability that can lead to exploitation; however, air-gapped networks typically limit external connectivity, which reduces the impact of unpatched software. Therefore, while it is a concern, it is not the most common data loss path in this specific context.
D) Removable devices
Removable devices, such as USB drives, are the most common data loss path for air-gapped networks. These devices can easily be used to transfer data in and out of the network, potentially introducing malware or extracting sensitive information, thereby representing a critical vulnerability.
Conclusion
In summary, removable devices are the primary means by which data loss occurs in air-gapped networks due to their ability to facilitate unauthorized data transfer. Other options, while valid security concerns, do not align with the specific nature of data loss paths associated with air-gapped systems. Thus, the identification of removable devices as the correct answer highlights a crucial area for security focus in maintaining the integrity of isolated networks.