On Thursday 28 August 2025 at 21:51 UTC, a CLDAP reflection targeted a online payments customer in Latin America. The attack peaked at 217.7 Gbps and lasted 190 minutes. Traffic originated from 1800 autonomous systems in 105 countries, predominantly a Mirai-derived IoT botnet.
| Vector | CLDAP reflection |
| Peak | 217.7 Gbps |
| Duration | 190 min |
| Time to mitigation | 0.064 s |
| Attack traffic reaching origin | 0.060% |
| Legitimate traffic challenged | 0.17% |
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 27 points of presence.
What the customer saw
The customer’s status page stayed green throughout; they learned about the attack from our notification.
Recommendations
- Keep origin IPs out of public DNS history.
- Review allow-listed partner ranges quarterly.
- Add a dedicated rate limit for the targeted route.