Essential PowerShell Security: Privileges, Firewalls, and File Safety
PowerShell scripts often need to touch privileged parts of Windows: services, firewall rules, downloaded scripts, and system folders. This post covers three areas I check often: elevation, Windows Defender Firewall rules, and the Mark of the Web on downloaded files. Quick answer For safer PowerShell administration, keep elevated actions small, explicit, and logged. Use gsudo, Start-Process -Verb RunAs, or Task Scheduler only when elevation is needed. Manage Windows Defender Firewall with named rules instead of broad exceptions, and inspect downloaded files before using Unblock-File because the Mark of the Web exists to warn you about internet-origin content. ...