The FBI is investigating a series of cyber attacks occurred over the weekend on several western websites, the authorities suspect the involvement of hackers linked to the ISIS. The list of hacked websites includes the Dublin Rape Crisis Centre in Ireland, Eldora Speedway, MERS Goodwill and digital agency Elasticity from St. Louis, Moerlein Lager House and Montgomery Inn in Cleveland, Montauk Mano, Sequoia Park Zoo, North Douglas Pentecostal Church and minor sites. Visitors were displayed a picture of the black Isis flag and the words hacked by ISIS, we are everywhere”]
Source: https://securityaffairs.co/wordpress/34637/hacking/fbi-investigating-alleged-isis-attacks.html