Massive 7. 3 Tbps DDoS Attack Delivers 37. 4 TB in 45 Seconds . . . "The 7 3 Tbps attack delivered 37 4 terabytes in 45 seconds " Earlier this January, the web infrastructure and security company said it had mitigated a 5 6 Tbps DDoS attack aimed at an unnamed internet service provider (ISP) from Eastern Asia The attack originated from a Mirai-variant botnet in October 2024
Record-Breaking 7. 3 Tbps DDoS Attack Targets Hosting Provider Previous record-breaking DDoS attacks seen by Cloudflare reached 5 6 Tbps and 6 5 Tbps Cybersecurity blogger Brian Krebs reported last month that his website had been targeted in a 6 3 Tbps attack The 7 3 Tbps DDoS attack, seen by Cloudflare in mid-May, lasted only 45 seconds and it was aimed at a hosting provider
Defending the Internet: how Cloudflare blocked a monumental 7 . . . The 7 3 Tbps attack was a multivector DDoS attack Around 99 996% of the attack traffic was categorized as UDP floods However, the remaining 0 004%, which accounted for 1 3 GB of the attack traffic, were identified as QOTD reflection attacks, Echo reflection attack, NTP reflection attack, Mirai UDP flood attack, Portmap flood, and RIPv1 amplification attacks
Cloudflare Thwarts Record-Breaking 7. 3 Tbps DDoS Attack In May 2025, Cloudflare successfully mitigated the largest distributed denial-of-service (DDoS) attack ever recorded, peaking at a staggering 7 3 terabits per second The volumetric assault , which lasted under a minute but delivered 37 4 terabytes of traffic, was autonomously blocked by Cloudflare’s global mitigation systems without human
Cloudflare blocked record-breaking 7. 3 Tbps DDoS attack . . . An X user claimed a 7-Zip zero-day vulnerability, but 7-Zip's creator says is a fake | Cisco states that the second data leak is linked to the one from October | Threat actors attempt to exploit a flaw in Four-Faith routers | ZAGG disclosed a data breach that exposed its customers' credit card data |