Prevent PKU2U authentication using online identities.

From Windows 7 Security Technical Implementation Guide

Part of PKU2U Online Identities Authentication

Associated with IA controls: ECSC-1

SV-25276r1_rule Prevent PKU2U authentication using online identities.

Vulnerability discussion

This setting prevents online identities from being used by PKU2U, which is a peer-to-peer authentication protocol. Authentication will be centrally managed with Windows user accounts.

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Configure the policy value for “Network Security: Allow PKU2U authentication requests to this computer to use online identities” to “Disabled”.

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