Islamweb.net Fatwa No. 12161
On December 26, 2001, Islamweb.net, which is hosted on a server in the U.S., posted Fatwa No. 12161. In response to the question "What is the ruling on electronic jihad which weakens and destroys the enemy's networks?" this answer was posted: "When you find a website that attacks Islam, you should first talk to them to stop; if they do not listen and continue, then you can do your best, even if it leads to destroying the site."
May 8, 2013