CrowdStrike IT outage: How and why it happened | BBC News

A major software outage has stopped computers working across the world in a number of sectors, causing severe disruption to healthcare, flights, trains, businesses and media organisations.

The outage was caused by a software update from CrowdStrike, a cyber security firm. A bug affected Microsoft Windows computers, knocking them offline around the world.

CrowdStrike chief executive George Kurtz says he is “deeply sorry” for the incident.