Massive 7.3 Tbps DDoS Attack Delivers 37.4 TB in 45 Seconds, Targeting Hosting Provider

A record-breaking 7.3 Tbps distributed denial-of-service (DDoS) attack was autonomously mitigated by Cloudflare in May 2025. The attack, which lasted 45 seconds and delivered 37.4 terabytes of data, targeted an unnamed hosting provider.