 I've flown quite regularly. This is worse than when I was in Atlanta last week, and that's always busy. ABC's Alexis Christophorus has more. This was not a cyber attack. The culprit here, a single software update pushed out by the cybersecurity company CrowdStrike in the wee hours of the morning. It went out to some odd 30,000 clients around the world, a number of different sectors, media companies, banks, hospitals, airlines. The list goes on.