In November 2021, Tord Lundström, the technical director at Swedish digital forensics nonprofit Qurium Media, noticed something strange. A massive distributed denial of service (DDoS) attack was targeting Bulatlat, an alternative Phillippine media outlet hosted by the nonprofit. And it was coming from Facebook users.
Lundström and his team found that the attack was just the start of it. Bulatlat had become the target of a sophisticated Vietnamese troll farm that had captured the credentials of thousands of Facebook accounts and turned them into malicious bots to target the credentials of yet more accounts to swell its numbers.
The volume of this attack
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