“Endless Mayfly” was an operation that created inauthentic websites spoofing established media outlets and online personas to spread false and inflammatory content targeting Saudi Arabia, the US, and Israel from at least April 2016 to November 2018. The operation astroturfed a false grassroots organization purporting to advocate against Saudi Arabia and Wahhabism, and seeded related false content to activists and journalists, which in some instances was traded up the chain to the mainstream media.
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Source: Copycat Websites: The Endless Mayfly Network | Media Manipulation Casebook