Hey guys. Do you know how can I defend myself from netCut? Is there an application that prevents it? Or an application that can reveal the device that is using it? Thank you for your response guys 
Can you please give a link describing what netcut is?
Thanks.
un-install it would be the obvious way out (I assume you must have installed it somewhere along the line?), if not, there is “Tuxcut” which is the Linux alternative: