(Newser) – Online vigilantes Anonymous wasted little time in handing ISIS a message Saturday via a YouTube video, a response to Friday's Paris terror attacks, reports Time. A man in the group's trademark Guy Fawkes mask spoke in French and noted: "Expect massive cyber attacks. War is declared. Get prepared. Anonymous from all over the world will hunt you down. You should know that we will find you and we will not let you go. We will launch the biggest operation ever against you."

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The Chicago Sun-Times notes that Anonymous also took to Twitter to threaten the militants, posting, "Make no mistake: #Anonymous is at war with #Daesh [another label for ISIS], before snarkily adding "we're also better hackers" and warning "there will be nothing left" of ISIS propaganda sites when they get through with them. The citizens of France even got a final salute. "The French people are stronger than you and will come out of this atrocity even stronger," the masked man concluded. (Read more ISIS stories.)

