Record DDoS Pummels Site with Once-Unimaginable 7.3Tbps of Junk Traffic

Record DDoS pummels site with once-unimaginable 7.3Tbps of junk traffic

Large-scale attacks designed to bring down Internet services by sending them more traffic than they can process keep getting bigger, with the largest one yet, measured at 7.3 terabits per second, being reported Friday by Internet security and performance provider Cloudflare. The 7.3Tbps attack amounted to 37.4 terabytes of junk traffic that hit the target in just 45 seconds. That's an almost comprehensible amount of data, equivalent to more than…

Cloudflare blocks record 7.3 Tbps DDoS attack against hosting provider

Cloudflare says it mitigated a record-breaking distributed denial of service (DDoS) attack in May 2025 that peaked at 7.3 Tbps, targeting a hosting provider.

Massive DDoS attack delivered 37.4TB in 45 seconds, equivalent to 10,000 HD movies, to one victim IP address — Cloudflare blocks largest cyber assault ever recorded - WorldNL Magazine

(Image credit: Shutterstock) Internet security provider Cloudflare said that it has recently blocked the largest DDoS attack in recorded history, with one of its clients being targeted by a massive cyber assault that saw its IP address flooded with 7.3 Tbps of junk traffic. The total amount of data sent to the target was 37.4 terabytes, which might not seem incredible at first glance, says The Cloudflare Blog. However, the speed at which the am…

Massive DDoS attack delivered 37.4TB in 45 seconds, equivalent to 10,000 HD movies, to one victim IP address — Cloudflare blocks largest cyber assault ever recorded

Cloudflare says that it blocked the 7.3 Tbps of junk traffic in mid-May — the largest DDoS attack to happen in recorded history.

Massive 7.3 Tbps DDoS Attack Delivers 37.4 TB In 45 Seconds, Targeting Hosting Provider - Data Intelligence

Cloudflare on Thursday said it autonomously blocked the largest distributed denial-of-service (DDoS) attack ever recorded, which hit a peak of 7.3 terabits per second (Tbps). The attack, which was detected in mid-May 2025, targeted an unnamed hosting provider. “Hosting providers and critical Internet infrastructure have increasingly become targets of DDoS attacks,” Cloudflare’s Omer Yoachimik said. “The 7.3 Tbps attack delivered 37.4 terabytes i…

Cloudflare says it mitigated a record-breaking 7.3Tbps DDoS attack in mid-May, which delivered 37.4TB of junk traffic to the target in just 45 seconds

Dan Goodin / Ars Technica: Cloudflare says it mitigated a record-breaking 7.3Tbps DDoS attack in mid-May, which delivered 37.4TB of junk traffic to the target in just 45 seconds  —  Large-scale attacks designed to bring down Internet services by sending them more traffic than they can process keep getting bigger …