Simultaneous connections to the Internet or a Windows domain must be limited.

From Windows 8 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-48291r1_rule Simultaneous connections to the Internet or a Windows domain must be limited.

Vulnerability discussion

Multiple network connections can provide additional attack vectors to a system and must be limited.

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Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Windows Connection Manager -> "Minimize the number of simultaneous connections to the Internet or a Windows Domain" to "Enabled".

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