'Large-scale' IT outage hits companies worldwide

A major outage wrought havoc on global computer systems on Friday, grounding flights in the United States, derailing television broadcasts in the UK and impacting telecommunications in Australia.

Major US air carriers including Delta, United and American Airlines grounded all flights on Friday over a communication issue, according to the Federal Aviation Administration.

Flights were suspended at Berlin Brandenburg airport in Germany due to a "technical problem", a spokeswoman told AFP.

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"There are delays to check-in, and flight operations had to be cancelled until 10am (8.00 GMT)," the spokeswoman said, adding that she could not say when they would resume.

All airports in Spain were also experiencing "disruptions" from an IT outage that has hit several companies worldwide on Friday, the airport operator Aena said. Lisbon airport, Portugal's biggest, also experienced disruptions amid a global cyber outage.

Hong Kong's airport also said some airlines had been affected, with its authority issuing a statement in which it linked the disruption to a Microsoft outage.

Singapore's airport said Friday that some airlines had been affected by an IT outage, as widespread technical problems were reported by flight operators around the world.

"Due to a global outage affecting IT systems of many organisations, the check-in process for some airlines at Changi Airport is being managed manually," the airport said in a Facebook post.

Swiss International Air Lines said on Friday that its systems had not been impacted by a global IT outage but Swiss flight operations have been affected due to disruptions at partner companies and air traffic control.

Prague Airport also reported some delays to departures on Friday morning due to an outage of the global check-in system used by a large number of airlines, but said on X social media platform the situation had stabilised by midday.

Malaysia's airport operator also Friday that some airlines had been affected by an IT outage, as widespread technical problems were reported by airlines around the world.

"Our network of airports in Malaysia remains unaffected by the global Microsoft outage. However, some of our airline partners are experiencing disruptions due to this issue," Malaysia Airports Holdings Berhad said in a statement.

Carriers, media companies, banks and telecoms firms around the world reported on Friday that system outages were disrupting their operations.

The UK's biggest rail operator meanwhile warned of possible train cancellations due to IT issues, while photos posted online showed large queues forming at Sydney Airport in Australia.

"Flights are currently arriving and departing however there may be some delays throughout the evening," a Sydney Airport spokesman said.

"We have activated our contingency plans with our airline partners and deployed additional staff to our terminals to assist passengers."

Australia's National Cyber Security Coordinator said the "large-scale technical outage" was caused by an issue with a "third-party software platform", adding there was no information as yet to suggest hacker involvement.

Sky News in the UK said the glitch had ended its morning news broadcasts, while Australian broadcaster ABC similarly reported a major "outage".

Some self-checkout terminals at one of Australia's largest supermarket chains were rendered useless, displaying blue error messages.

New Zealand media said banks and computer systems inside the country's parliament were reporting issues.

Australian telecommunications firm Telstra suggested the outages were caused by "global issues" plaguing software provided by Microsoft and cybersecurity company CrowdStrike.

Microsoft said in a statement it was taking "mitigation actions" in response to service issues.