A small business uses a single Wi-Fi network for both internal business operations (like payroll and ordering) and for providing free internet access to customers. What significant vulnerability does this setup create?

Question

BlackTom AI · Accepted Answer

The question describes a small business using one Wi-Fi network for both internal operations ( payroll, ordering ) and customer internet access, and asks what significant vulnerability this creates.
Option 1: 'It ensures all data is automatically encrypted' — This is misleading. Merely sharing a network does not guarantee automatic encryption; data could be transmitted in clear text or be exposed if the network isn’t properly secured, monitored, or segmented.
Option 2: 'It prevents the use of antivirus software' — This is incorrect. Using a single network does not inherently prevent antivirus use; devices on the network can still run antivirus, though the effectiveness may be compromised by malware spread. The statement overreaches about functionality.
Option 3: 'The single open Wi-Fi for customers and internal systems creates a vector for attack' — This identifies a real risk. When guest and internal traffic share the same wireless medium, an attacker on the guest side could probe or access weakly protected internal resources, or pivot between networks if proper segmentation, access controls, and network isolation are not in place. This option correctly flags a primary vulnerability associated with a non-segmented network.
Option 4: 'It eliminates the need for firewalls' — This is false. Firewalls remain essential even in shared networks to enforce segmentation, monitor traffic, and block unauthorized access. The setup does not remove the need for firewall protection.
Overall, the most accurate assessment centers on the risk of attack vectors arising from combining internal and guest traffic on one network, which is captured in Option 3. The other choices either misstate capabilities (encryption, antivirus impact) or incorrectly claim a removed security control (firewalls).

A small business uses a single Wi-Fi network for both internal business operations (like payroll and ordering) and for providing free internet access to customers. What significant vulnerability does this setup create? 单项选择题

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