FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The Unrestricted policy carries no restrictions at all, and allows us to run unsigned scripts from any source but will warn when a script has been downloaded from the Internet. The Bypass policy allows us to run scripts from anywhere, and will execute the scripts without warning regardless of the source.

Detailed explanation-2: -PowerShell’s execution policy is a safety feature that controls the conditions under which PowerShell loads configuration files and runs scripts. This feature helps prevent the execution of malicious scripts.

Detailed explanation-3: -Unrestricted. Beginning in PowerShell 6.0, this is the default execution policy for non-Windows computers and can’t be changed. Loads all configuration files and runs all scripts. If you run an unsigned script that was downloaded from the internet, you’re prompted for permission before it runs.

Detailed explanation-4: -The only security risk is that someone might write malicious script on your local computer and you execute it without knowing what is it. This is the most recommended. Default on Server editions. And Unrestricted in highly insecure, letting you to run unsigned scripts from any source.

Detailed explanation-5: -AllSigned. This is the safest policy available, in case running scripts is permitted on the computer. With this policy set, your computer will run those PowerShell scripts that are accompanied by a valid signed with a valid digital signature (signed using a code signing certificate).