On Thursday 30 April 2026 at 14:00 UTC, a HTTP POST flood targeted a ticketing customer in Latin America. The attack peaked at 821.7 million requests per second and lasted 37 minutes. Traffic originated from 2742 autonomous systems in 76 countries, predominantly residential proxy networks.
| Vector | HTTP POST flood |
| Peak | 821.7 million requests per second |
| Duration | 37 min |
| Time to mitigation | 0.583 s |
| Attack traffic reaching origin | 0.064% |
| Legitimate traffic challenged | 0.22% |
Timeline
The attack was preceded by an extortion email received two days earlier. Request rates on the targeted routes exceeded their hourly baseline by a factor of 334 within 34 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
The customer’s status page stayed green throughout; they learned about the attack from our notification.
Recommendations
- Enable authenticated origin pulls.
- Lower challenge thresholds on authentication endpoints during high-risk events.
- Keep origin IPs out of public DNS history.