On Tuesday 15 November 2022 at 13:00 UTC, a CLDAP reflection targeted a sports betting customer in Latin America. The attack peaked at 162.4 Gbps and lasted 100 minutes. Traffic originated from 796 autonomous systems in 84 countries, predominantly a rented booter service.
| Vector | CLDAP reflection |
| Peak | 162.4 Gbps |
| Duration | 100 min |
| Time to mitigation | 0.486 s |
| Attack traffic reaching origin | 0.059% |
| Legitimate traffic challenged | 0.69% |
Timeline
The attack was preceded by a hacktivist channel announcing the target. Edge packet filters identified the flood by source port and payload signature and dropped it at line rate across 19 points of presence.
What the customer saw
Checkout conversion was unchanged compared with the same hour of the previous week.
Recommendations
- Enable log streaming to your SIEM for faster correlation.
- Lower challenge thresholds on authentication endpoints during high-risk events.
- Keep origin IPs out of public DNS history.