Cloudflare's 2025 Q3 DDoS threat report -- including Aisuru, the apex of botnets

Cloudflare's Q3 2025 DDoS Threat Report details an unprecedented surge in DDoS activity dominated by the Aisuru botnet, which is estimated at 1–4 million infected hosts and launched routine hyper‑volumetric attacks peaking at 29.7 Tbps and 14.1 Bpps; the report covers attack trends (large increases in UDP/network‑layer floods), targeted industries (telecom, mining, automotive, AI, etc.), geographic sources, and Cloudflare’s autonomous mitigation of millions of attacks.