Keeping PowerShell: Security Measures to Use and Embrace

Cybersecurity authorities from the United States, New Zealand, and the United Kingdom recommend proper configuration and monitoring of PowerShell, as opposed to removing or disabling PowerShell entirely. This will provide benefits from the security capabilities PowerShell can enable while reducing the likelihood of malicious actors using it undetected after gaining access into victim networks. The following recommendations will help defenders detect and prevent abuse by malicious cyber actors, while enabling legitimate use by administrators and defenders.

This Cybersecurity Information Sheet from the National Security Agency (NSA), the Cybersecurity and Infrastructure Security Agency (CISA), the New Zealand National Cyber Security Centre (NZ NCSC), and the United Kingdom National Cyber Security Centre (NCSC-UK) provides details on using PowerShell® and its security measures.

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Source: The Cybersecurity and Infrastructure Security Agency