On Monday 29 January 2024 at 00:49 UTC, a login endpoint flood targeted a developer platform customer in Iberia. The attack peaked at 908.2 million requests per second and lasted 5 minutes. Traffic originated from 3976 autonomous systems in 71 countries, predominantly hijacked home routers.
| Vector | login endpoint flood |
| Peak | 908.2 million requests per second |
| Duration | 5 min |
| Time to mitigation | 0.193 s |
| Attack traffic reaching origin | 0.087% |
| Legitimate traffic challenged | 0.19% |
Timeline
The attack was preceded by a competitor’s product launch. Request rates on the targeted routes exceeded their hourly baseline by a factor of 591 within 32 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
Checkout conversion was unchanged compared with the same hour of the previous week.
Recommendations
- Enable authenticated origin pulls.
- Keep origin IPs out of public DNS history.
- Add a dedicated rate limit for the targeted route.