On Tuesday 23 June 2026 at 20:22 UTC, a UDP reflection (NTP) targeted a sports betting customer in Southeast Asia. The attack peaked at 17.7 Gbps and lasted 144 minutes. Traffic originated from 450 autonomous systems in 33 countries, predominantly a headless-browser farm.
| Vector | UDP reflection (NTP) |
| Peak | 17.7 Gbps |
| Duration | 144 min |
| Time to mitigation | 0.749 s |
| Attack traffic reaching origin | 0.034% |
| Legitimate traffic challenged | 0.75% |
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 39 points of presence.
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 log streaming to your SIEM for faster correlation.
- Add a dedicated rate limit for the targeted route.