You can safely delete it....I believe you can reduce the size of that file by scaling back how deep it goes...The file to edit is /usr/sbin/philesightcli and the parameter is 'img_rings'. Set to 3 or even 2 possibly.
I got blacklisted!
so then I opened a clear foundation ticket.
4 hours later and 3 experts working we had it fixed!
keeping port 22 closed would have stopped them!
And a username and password were identical. That's what they used!