PBS News Hour

How a software update sparked tech disruptions worldwide

A tech outage around the globe halted flights, disrupted emergency services and created headaches for businesses. The underlying problems behind the glitch were fixed by Friday afternoon, but the ripple effects lasted throughout the day and may continue into the weekend. William Brangham discussed what went wrong and the risks with Bruce Schneier, an expert in computer security and technology.

How a software update sparked tech disruptions worldwide

8m 2s

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.