On Saturday 25 April 2026 at 22:08 UTC, a memcached amplification targeted a crypto exchange customer in Central Europe. The attack peaked at 107.0 Gbps and lasted 165 minutes. Traffic originated from 2367 autonomous systems in 15 countries, predominantly a headless-browser farm.
| Vector | memcached amplification |
| Peak | 107.0 Gbps |
| Duration | 165 min |
| Time to mitigation | 0.761 s |
| Attack traffic reaching origin | 0.085% |
| Legitimate traffic challenged | 0.34% |
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 17 points of presence.
What the customer saw
A brief increase in p99 latency of 63 ms during the first minute, then normal service.
Recommendations
- Keep origin IPs out of public DNS history.
- Enable log streaming to your SIEM for faster correlation.
- Enable authenticated origin pulls.