On Monday 15 July 2024 at 20:33 UTC, a search endpoint flood targeted a online casino customer in Central Europe. The attack peaked at 422.9 million requests per second and lasted 141 minutes. Traffic originated from 2538 autonomous systems in 35 countries, predominantly hijacked home routers.
| Vector | search endpoint flood |
| Peak | 422.9 million requests per second |
| Duration | 141 min |
| Time to mitigation | 0.043 s |
| Attack traffic reaching origin | 0.089% |
| Legitimate traffic challenged | 0.78% |
Timeline
The attack was preceded by a breaking political story. Request rates on the targeted routes exceeded their hourly baseline by a factor of 312 within 7 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
- Keep origin IPs out of public DNS history.
- Enable authenticated origin pulls.
- Enable log streaming to your SIEM for faster correlation.