Fallout from a cyberattack that affected check-in systems at several European airports extended into a second full day on Sunday, as passengers faced dozens of cancelled and delayed flights and airpo...

A cyberattack targeting check-in and boarding systems has snarled air traffic and caused delays at some of Europe’s top airports, officials said Saturday.

A National Cyber Security Centre spokesperson said it was working with Collins Aerospace, affected UK airports, the Department for Transport and law enforcement to fully understand the impact of the ...