Forbes January 22, 2025
Kate O'Flaherty

Cloudflare has mitigated the biggest distributed denial of service (DDoS) attack on record, according to a new report.

The DDoS attack, which hit an East Asia based telecoms firm last year, reached 5.6 terabits per second (Tbps) and lasted for 80 seconds. It was comprised from a botnet of 13,000 devices taken over by the Mirai malware, according to Cloudflare’s blog.

It beat a previous attack that peaked at 3.8 Tbps and lasted for 65 seconds.

“On Oct. 29, a 5.6 Tbps UDP DDoS attack launched by a Mirai-variant botnet targeted a Cloudflare Magic Transit customer, an internet service provider from Eastern Asia,” Cloudflare wrote.

Detection and mitigation were fully autonomous by Cloudflare’s distributed defense systems, the provider said. “It...

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