 Businesses and government services worldwide. And just in the U.S. alone, FlightAware shows airlines delayed nearly 12,000 flights Friday and canceled more than 5,000. It affects a lot more than airports. This computer outage has affected banks, television broadcasters, health care, hospitals. Now, the problem is not an attack. It's not hacking. Fox's Steve Harrigan, a faulty software update by CrowdStrike caused it.