Vincent Hanna , a researcher with The Spamhaus Project , said the group 's record speaks for itself . FBI : The FBI is involved in the investigation into the attack , a spokesman says . A massive cyberattack is creating ripple effect for Internet users around the world . The prolonged denial - of - service attack is by Spamhaus , a European spam - fighting company . Security expert : ` ` These things are essentially like nuclear bombs ''
FBI : The FBI is involved in the investigation into the attack , a spokesman says . A massive cyberattack is creating ripple effect for Internet users around the world . The prolonged denial - of - service attack is by Spamhaus , a European spam - fighting company . Security expert : ` ` These things are essentially like nuclear bombs ''