1. # Needed once
2. $Creds = Get-Credential
3. ($Creds).Password|ConvertFrom-SecureString | set-content C:\temp\webfiles.txt
4.  
5. # Used everytime
6. $User = ""
7. $password = Get-Content C:\Temp\webfiles.txt | ConvertTo-SecureString
8. $credential = New-Object System.Management.Automation.PsCredential($User,$password)
9.  
10. # Magic
11. $Content = Invoke-WebRequest -Credential $credential http://strandbo.org/webfiles/simple.xml -AllowUnencryptedAuthentication
12.  
13.