The Internet is (once again) awash with IoT botnets delivering record DDoSes

We’re only three weeks into 2025, and it’s already shaping up to be the year of Internet of Things-driven DDoSes. Reports are rolling in of threat actors infecting thousands of home and office routers, web cameras, and other Internet-connected devices.

Here is a sampling of research released since the first of the year.

Lax security, ample bandwidth

A post on Tuesday from content-delivery network Cloudflare reported on a recent distributed denial-of-service attack that delivered 5.6 terabits per second of junk traffic—a new record for the largest DDoS ever reported. The deluge, directed at an unnamed Cloudflare customer, came from 13,000 IoT devices infected by a variant of Mirai, a potent piece of malware with a long history of delivering massive DDoSes of once-unimaginable sizes.

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