On Saturday 8 November 2025 at 03:33 UTC, a carpet-bombing UDP flood targeted a online casino customer in the Benelux. The attack peaked at 55.9 Gbps and lasted 51 minutes. Traffic originated from 3662 autonomous systems in 108 countries, predominantly misconfigured open reflectors.
| Vector | carpet-bombing UDP flood |
| Peak | 55.9 Gbps |
| Duration | 51 min |
| Time to mitigation | 0.584 s |
| Attack traffic reaching origin | 0.035% |
| Legitimate traffic challenged | 0.46% |
Timeline
The attack was preceded by a ransom note demanding payment in Monero. 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
Checkout conversion was unchanged compared with the same hour of the previous week.
Recommendations
- Lower challenge thresholds on authentication endpoints during high-risk events.
- Enable log streaming to your SIEM for faster correlation.
- Review allow-listed partner ranges quarterly.