Security incident events
The archive records 8 security incident events. Definitions of every event type are on the methodology page.
Security incident
| Start | Event | Type | Status | Severity |
|---|---|---|---|---|
| 2026-07-20 | Houthi embargo on Saudi shipping and attacks at Bab el-Mandeb | Security incident | ongoing | 3 Significant |
| 2026-07-10 | Russia halts commercial shipping through the Kerch Strait | Security incident | ongoing | 5 Critical |
| 2026-03-25 | Drone attacks halt oil loadings at Ust-Luga and Primorsk | Security incident | ended | 2 Moderate |
| 2026-03-01 | Strait of Hormuz closed to most shipping during the Iran war | Security incident | ongoing | 5 Critical |
| 2023-11-19 | Attacks on shipping in the Red Sea divert traffic around Africa | Security incident | ongoing | 5 Critical |
| 2023-07-17 | Russia ends Black Sea Grain Initiative participation and strikes Ukrainian ports | Security incident | ended | 3 Significant |
| 2022-08-04 | Live fire exercise zones around Taiwan divert shipping | Security incident | ended | 3 Significant |
| 2019-07-19 | Iran seizes the tanker Stena Impero in the Strait of Hormuz | Security incident | ended | 3 Significant |