On Saturday 11 July 2026 at 01:56 UTC, a Slowloris targeted a online payments customer in North America. The attack peaked at 928.7 million requests per second and lasted 33 minutes. Traffic originated from 2344 autonomous systems in 83 countries, predominantly misconfigured open reflectors.
| Vector | Slowloris |
| Peak | 928.7 million requests per second |
| Duration | 33 min |
| Time to mitigation | 0.242 s |
| Attack traffic reaching origin | 0.004% |
| Legitimate traffic challenged | 0.16% |
Timeline
The attack was preceded by no stated motive. Request rates on the targeted routes exceeded their hourly baseline by a factor of 677 within 35 seconds. The risk score of participating clients crossed the challenge threshold automatically and proof-of-work difficulty rose with origin load.
What the customer saw
No customer-visible impact. The on-call engineer was notified and acknowledged the incident from the dashboard.
Recommendations
- Enable authenticated origin pulls.
- Review allow-listed partner ranges quarterly.
- Keep origin IPs out of public DNS history.