Although it is a useful command-line shell, in some situations, you may need to disable it to make sure that users do not make unwanted changes or execute scripts with malicious commands. And other times, you may need to restrict access to PowerShell to comply with the company's policies.

Is it safe to disable PowerShell?

A: Simply put, No! PowerShell runs as a user-mode application, which means it can only do what the user himself can do. ... Disabling PowerShell actually reduces your capability to monitor and manage your environment, making it more susceptible to attack.

Is PowerShell a security risk?

Only network administrators and IT professionals that need PowerShell for legitimate work tasks should have access. Giving standard users access to PowerShell creates unnecessary risk for your organization.