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Defending the Internet: How Cloudflare blocked a monumental 7.3 Tbps DDoS attackblog.cloudflare.com/defending-the-internet-how-cloudflare-blocked-a-monumental-7-3-tbps-ddos/
187 sats \ 2 comments \ @jakoyoh629 20 Jun security
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In mid-May 2025, Cloudflare blocked the largest DDoS attack ever recorded: a staggering 7.3 terabits per second (Tbps). This comes shortly after the publication of our DDoS threat report for 2025 Q1 on April 27, 2025, where we highlighted attacks reaching 6.5 Tbps and 4.8 billion packets per second (pps). The 7.3 Tbps attack is 12% larger than our previous record and 1 Tbps greater than a recent attack reported by cyber security reporter Brian Krebs at KrebsOnSecurity.
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0 sats \ 1 reply \ @SimpleStacker 20 Jun
Damn, who would have the resources and motivation to pull something like this off--just to do a DDoS?
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0 sats \ 0 replies \ @jakoyoh629 OP 21 Jun
American/Chinese/russian botNET?
Attack origins The attack originated from over 122,145 source IP addresses spanning 5,433 Autonomous Systems (AS) across 161 countries.
Almost half of the attack traffic originated from Brazil and Vietnam, with approximately a quarter each. Another third, in aggregate, originated from Taiwan, China, Indonesia, Ukraine, Ecuador, Thailand, the United States, and Saudi Arabia.
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