PUA detected: 'Generic PUA IN' at '/'

Hi,

I have Sophos Home running on a Mac. I got the following threat 6-7 times a few days ago:

"PUA detected: 'Generic PUA IN' at '/'"

That's all the detail the threat gives on the Sophos Home portal. Since there is so little information, does anyone have guidance what to do with this threat? Could I be missing somewhere on the portal that has more detail?

Thanks!