Get a list of Network Interface Cards attached on NSGs and ASGs

get-nics-nsg-asgs.ps1

Get-AzNetworkInterface | Select Name, ResourceGroupName,` 
  @{Name="NSG";Expression = {$_.NetworkSecurityGroup.Id.tostring().substring($_.NetworkSecurityGroup.Id.tostring().lastindexof('/')+1)}},`
  @{Name="ASG";Expression={$_.IpConfigurations.ApplicationSecurityGroups.Id.tostring().substring($_.IpConfigurations.ApplicationSecurityGroups.Id.tostring().lastindexof('/')+1)}}

# optional if you want to add the below line for exporting to file
#  | Export-Csv "nsg and asg info.csv" -Delimiter ","