Personally I think he got it from another reporter in the newsroom by saying he needed to call the governor for a story and that’s how he got it by hacking a friend
He’s known Noem for at least two years.
Noem posted a photo of Austin Goss on her FB page two years ago.
https://www.facebook.com/govnoem/photos/a.281082735912430/771189956901703/