On Monday 1 June 2026 at 07:14 UTC, a credential stuffing targeted a electronics retail customer in the Middle East. The attack peaked at 285.5 million requests per second and lasted 112 minutes. Traffic originated from 3170 autonomous systems in 63 countries, predominantly misconfigured open reflectors.
| Vector | credential stuffing |
| Peak | 285.5 million requests per second |
| Duration | 112 min |
| Time to mitigation | 0.758 s |
| Attack traffic reaching origin | 0.034% |
| Legitimate traffic challenged | 0.68% |
Timeline
The attack was preceded by a breaking political story. Request rates on the targeted routes exceeded their hourly baseline by a factor of 210 within 7 seconds. The risk score of participating clients crossed the challenge threshold automatically and proof-of-work difficulty rose with origin load.
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 authenticated origin pulls.
- Enable log streaming to your SIEM for faster correlation.