On Sunday 5 July 2026 at 14:54 UTC, a GRE flood targeted a developer platform customer in Latin America. The attack peaked at 26.9 Gbps and lasted 138 minutes. Traffic originated from 1164 autonomous systems in 105 countries, predominantly a Mirai-derived IoT botnet.
| Vector | GRE flood |
| Peak | 26.9 Gbps |
| Duration | 138 min |
| Time to mitigation | 0.689 s |
| Attack traffic reaching origin | 0.018% |
| Legitimate traffic challenged | 0.67% |
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 35 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.
- Lower challenge thresholds on authentication endpoints during high-risk events.
- Add a dedicated rate limit for the targeted route.