<br> Creates a Network Map, consisting of PC and device topology (connectivity) information, <br> and metadata describing each PC and device. <br> <br> The feature that this service enables could potentially be used for unauthorized discovery <br> and connection to network devices. Disabling the service helps to prevent responses to <br> requests for network topology discovery in high security environments. <br> Fixtext: <br> Fix: <br> (1) GPO: Computer ConfigurationWindows SettingsSecurity SettingsSystem ServicesLink-Layer Topology Discovery Mapper <br> <br> (2) REG: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServiceslltdsvc!Start <br>

[Automatic/Manual/disable]

Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\System Services\Link-Layer Topology Discovery Mapper (2) REG: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lltdsvc!Start