This DDoS group just smashed the previous record with a 29.7 Tbps attack

• Aisuru botnet, with up to 4M IoT devices, launched a record 29.7 Tbps DDoS attack
• Cloudflare mitigated 1,304 hyper‑volumetric attacks in Q3; targets included telecom, gaming, hosting, and finance
• Recent victims include Gcore (6 Tbps flood) and Microsoft (largest cloud DDoS at 15.72 Tbps)

The Aisuru botnet, a network of compromised and malicious Internet of Things (IoT) devices, has mounted a record-breaking Distributed Denial of Service (DDoS) attack for the third time in as many months.

Earlier this week, Cloudflare released its 2025 Q3 DDoS threat report, detailing an attack by “the apex of botnets”. In the report, the CDN giant said Aisuru counts anywhere between one and four million infected devices, and that it mounted a DDoS attack that peaked at 29.7 terabits per second (Tbps) and 14.1 billion packets per second (Bpps).

Cloudflare described it as a “UDP ...