Security incident events

The archive records 9 security incident events. Definitions of every event type are on the methodology page.

Security incident

Security incident events
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
2022-10-29	Russia suspends its part in the Black Sea Grain Initiative for four days	Security incident	ended	1 Minor
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