A technical glitch led to the closure of Swiss airspace

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Problems with the air traffic control system, in particular a computer failure, led to the stoppage of takeoffs and landings at two major airports in Switzerland and forced the aviation authorities to close Swiss airspace until further notice. According to unconfirmed reports, the failure may be caused by a ransomware attack.

“Due to a serious computer glitch affecting Skyguide, landings and takeoffs will not be possible in Geneva until 8 a.m. this morning,” the Geneva airport authorities said on Twitter.

According to the Swiss authorities, all flights to and from Geneva and Zurich international airports have been suspended until further notice.

Geneva Airport said that traffic will not resume until 11:00 local time (9:00 GMT, 13:30 Eastern standard time). Zurich Airport authorities said they had also stopped all takeoffs and landings. The stop was announced shortly after 7 a.m. local time.

Reuters, citing the Swiss news agency ATS-Keystone, reported that all international flights to Switzerland are redirected to Milan in Italy.

Recall that in January of this year, the Swiss company Swissport, which serves airports in 50 countries around the world, reported an attack using extortionate software that disrupted its IT infrastructure and services, which led to flight delays at some airports.

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