Local machine policy must require signed scripts.

From Exchange 2010 Hub Transport Server STIG

Part of Exch-2-019

Associated with IA controls: ECSC-1

SV-44052r1_rule Local machine policy must require signed scripts.

Vulnerability discussion

Scripts often provide a way for attackers to infiltrate a system, especially those downloaded from untrusted locations. By setting machine policy to prevent unauthorized script executions, unanticipated system impacts can be avoided. Failure to allow only signed remote scripts reduces the attack vector vulnerabilities from unsigned remote scripts.

Check content

Open the Exchange Management Shell and enter the following command: Get-ExecutionPolicy If the value of 'LocalMachine' does not return a value of 'RemoteSigned', this is a finding.

Fix text

Open the Exchange Management Shell and enter the following command: Set-ExecutionPolicy RemoteSigned

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