Cloudflare Mitigates Record DDoS Attack Surge
TL;DR. Cloudflare observed a fivefold increase in DDoS attacks exceeding 1 Tbps during Q2 2026, mitigating over 800 such incidents. - The company also mitigated a record 31.4 Tbps attack from the Aisuru/Kimwolf botnet. - Overall network-layer attacks rose 31.2%, with HTTP requests increasing 32.4% quarter-over-quarter. - A decline after April is tentatively linked to the international Operation PowerOFF crackdown on DDoS-for-hire services.
- Cloudflare reported a 519% increase in network-layer DDoS attacks over 1 Tbps in Q2 2026 compared to Q1.
- The firm mitigated a record 31.4 Tbps attack launched by the Aisuru/Kimwolf botnet.
- Cloudflare observed shifts towards DNS-related and reflection/amplification techniques in recent attacks.
- A post-April decline in activity is attributed to the 'Operation PowerOFF' crackdown on DDoS-for-hire services.
Sources
- DDoS attacks over 1 Tbps surged fivefold in the second quarter — bleepingcomputer.com