Cybersecurity incident — 2017-04-08 00:00:00
Affected organization: Sirens in Dallas
Affected country: United States of America
Industry: Public Administration
Event type: Disruptive
Event subtype: Physical Attack
Motive: Undetermined
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

A computer hack sets off all the emergency sirens in Dallas for about 90 minutes.