Safari: Do you want to allow "https://ora.pm" to use up to 1 GB of storage on your Mac?

A user of ours has reported that the following message shows up on Safari:

We're looking into the underlying cause of this issue but in the meantime the following steps will silence it for a while.

1. Click Safari in the menu bar and then click Preferences…

2. Click Privacy then click Manage Website Data…

3. In the search box type "ora.pm" and then click ora.pm and then click Remove