Both the television Networks are having their Broadcast office and Studios situated in woodland hills California.
The hacked websites was showing a deface page as shown in the above screenshot.
source: www.techworm.net
National Iranian Television (NITV) & Andisheh TV Hacked and defaced by Kosova Warriors Group.
Anonymous Hacker going with the handle 'Misteriozi Pirat', From Kosova Warriors Group hacked and defaced, National Iranian Television ( (NITV)) &
