On Friday 24 November 2023 at 17:54 UTC, a SYN flood targeted a sports betting customer in Latin America. The attack peaked at 366.2 Gbps and lasted 28 minutes. Traffic originated from 506 autonomous systems in 94 countries, predominantly a rented booter service.
| Vector | SYN flood |
| Peak | 366.2 Gbps |
| Duration | 28 min |
| Time to mitigation | 0.704 s |
| Attack traffic reaching origin | 0.051% |
| Legitimate traffic challenged | 0.62% |
Timeline
The attack was preceded by a breaking political story. Edge packet filters identified the flood by source port and payload signature and dropped it at line rate across 15 points of presence.
What the customer saw
The customer’s status page stayed green throughout; they learned about the attack from our notification.
Recommendations
- Review allow-listed partner ranges quarterly.
- Enable authenticated origin pulls.
- Lower challenge thresholds on authentication endpoints during high-risk events.
Clear and practical, thanks.
How does the proof-of-work challenge behave on older Android devices? Any numbers below Android 10?