Connections to non-domain networks when connected to a domain authenticated network must be blocked.

From Windows 8 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-48292r1_rule Connections to non-domain networks when connected to a domain authenticated network must be blocked.

Vulnerability discussion

Multiple network connections can provide additional attack vectors to a system and should be limited. When connected to a domain, communication must go through the domain connection.

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Fix text

Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> Windows Connection Manager -> "Prohibit connection to non-domain networks when connected to domain authenticated network" to "Enabled".

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