On Saturday 28 March 2026 at 00:51 UTC, a memcached amplification targeted a education platform customer in the Middle East. The attack peaked at 307.1 Gbps and lasted 100 minutes. Traffic originated from 3826 autonomous systems in 27 countries, predominantly a rented booter service.
| Vector | memcached amplification |
| Peak | 307.1 Gbps |
| Duration | 100 min |
| Time to mitigation | 0.119 s |
| Attack traffic reaching origin | 0.043% |
| Legitimate traffic challenged | 0.48% |
Timeline
The attack was preceded by a publicly announced sales event. Edge packet filters identified the flood by source port and payload signature and dropped it at line rate across 38 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
- Review allow-listed partner ranges quarterly.
- Enable log streaming to your SIEM for faster correlation.
- Enable authenticated origin pulls.
Could you share the dataset behind the percentages?
The point about origin IPs leaking through certificate transparency logs is underrated.
Great to hear, thanks for sharing your experience.
The point about origin IPs leaking through certificate transparency logs is underrated.
The billing model is what got our finance team on board, honestly.