Passengers wait in line at Terminal 1 in John F. Kennedy International Airport one day after a global IT outage, in New York, on July 20, 2024. Planes were gradually taking off again Saturday after global airlines, banks and media were thrown into turmoil by one of the biggest IT crashes in recent years, caused by an update to an antivirus program. Passenger crowds had swelled at airports on July 19 as dozens of flights were cancelled after an update to a program operating on Microsoft Windows crashed systems worldwide. (Photo by Kena Betancur / AFP) (Photo by KENA BETANCUR/AFP via Getty Images)

BANGKOK, THAILAND - JULY 20: Queues of passengers remain at the Air Asia check-in counters at Don Mueang Airport international departures on July 20, 2024 in Bangkok, Thailand. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Mailee Osten-Tan/Getty Images) ***BESTPIX***

BANGKOK, THAILAND - JULY 20: Queues of passengers remain at the Air Asia check-in counters at Don Mueang Airport international departures on July 20, 2024 in Bangkok, Thailand. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Mailee Osten-Tan/Getty Images) ***BESTPIX***

MELBOURNE, AUSTRALIA - JULY 20: A general view at the Jetstar check in terminal at Melbourne Airport on July 20, 2024 in Melbourne, Australia. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Asanka Ratnayake/Getty Images) ***BESTPIX***

BANGKOK, THAILAND - JULY 20: Passengers waiting outside the Air Asia service counter at Don Mueang Airport international departures on July 20, 2024 in Bangkok, Thailand. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Mailee Osten-Tan/Getty Images)

BANGKOK, THAILAND - JULY 20: An Air Asia check-in counter displays a sign warning passengers of delays at Don Mueang Airport international departures on July 20, 2024 in Bangkok, Thailand. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Mailee Osten-Tan/Getty Images)

BANGKOK, THAILAND - JULY 20: An Air Asia check-in counter displays a sign warning passengers of delays at Don Mueang Airport international departures on July 20, 2024 in Bangkok, Thailand. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Mailee Osten-Tan/Getty Images)

BANGKOK, THAILAND - JULY 20: An Air Asia check-in counter displays a sign warning passengers of delays at Don Mueang Airport international departures on July 20, 2024 in Bangkok, Thailand. A significant global outage affecting Microsoft services, particularly Microsoft 365, has caused widespread disruptions across various sectors, including airlines, banks, and health systems. The outage was attributed to a glitch in CrowdStrike's "Falcon Sensor" software, which impacted Windows systems, leading to thousands of flight cancellations and operational chaos in multiple industries. Microsoft has reported that the underlying cause of the outage has been fixed, but residual effects continue to impact some users as the company works on full recovery. (Photo by Mailee Osten-Tan/Getty Images)