The biggest cyberattack in Internet history has gotten tons of coverage from major reputable sources, but the details remain murky. Sven Olaf Kamphuis, the spokesperson for Cyberbunker and offshoot group Stophaus, spoke to Heavy.com. The people targeting Spamhaus is a group of people who have been targeted and blackmailed by the organization, he says. He says the attack was a form of blackmail exploitation, and it backfired when it was not as good as they thought it was a larger than they thought.”]
Source: https://heavy.com/tech/2013/03/sven-olaf-kamphuis-cyberbunker-stophaus-spamhaus-cyberattack/