Some media outlets have dubbed it the “biggest cyber-attack in history” But some DDoS experts say the attack pales relative to the DDoS activity U.S. banking institutions have been withstanding since the fall of 2012. Operation Stophaus attacked The Spamhaus Project, a Geneva-based not-for-profit organization dedicated to fighting Internet spam operations. At the height of the attack, the organization was seeing traffic at an unprecedented pace of 300 gigabytes per second, or roughly three times the strength of even the biggest DDoS attacks.”]
Source: https://www.cuinfosecurity.com/biggest-ddos-attack-in-history-a-5639