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 ''
NEW : The FBI is involved in the investigation into the cyberattack , a spokesman says . A massive cyberattack is creating ripple effects for Internet users around the globe . The prolonged denial-of-service assault is targeting Spamhaus , a European spam-fighting group . Security expert : `` These things are essentially like nuclear bombs ''