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Tengrinews.kz - Television channels, airports and banks around the world have been knocked offline by a massive outage that caused Windows computers to suddenly shut down.
Tengrinews.kz - Television channels, airports and banks around the world have been knocked offline by a massive outage that caused Windows computers to suddenly shut down.
Sky News' morning show failed to air on Friday and was replaced with archive footage. The website Downdetector reported a sharp increase in problems with websites including Microsoft apps, banking sites and airline apps.
Ryanair on its website warned passengers to arrive at airports three hours before departure due to a "third-party IT issue" affecting all airlines on the network.
Users around the world, including Australia, New Zealand, India and Japan, have reported problems, with the UK probably hit hardest during Friday morning rush hour.
Troy Hunt wrote on X that "something very strange" is happening as users around the world are experiencing a "blue screen of death" and going into recovery mode on Windows.
Cybersecurity engineers have pointed out a problem with Crowdstrike, an antivirus software that seems to be causing computers to crash.
Senad Arun, founder of cybersecurity research firm Imperum, called the incident "the doomsday of Crowdstrike."
"Crowdstrike is aware of the failures on Windows related to Falcon Sensor," the company said on its website.
Britain's largest railway company warned passengers of possible disruption due to "global IT issues".
Govia Thameslink Railway (GTR) - parent company of Southern, Thameslink, Gatwick Express and Great Northern - has issued a warning on the brands' social media channels.
"We are experiencing global IT issues which could lead to cancellations. Systems with customer information are also affected. We will provide updates at a later date. Please check your itinerary before travelling," the company said in a statement.
GTR carries more passengers and has more trains and staff than any other operator in the UK.
Banks Australia also said the disruption was affecting online services and transactions.
"We are aware of a widespread and global systemic issue. We are investigating and are endeavouring to restore service as soon as possible," Bendigo and Adelaide Bank said in an alert.
Beyond Bank Australia reported problems with card and online accounts.
Manchester Airport clarified that the IT failure only affects Swissport, causing delays and increased congestion in check-in areas.
A Manchester Airport spokesperson assured that passengers do not need to change their plans, adding:
"Don't arrive at the airport early to avoid pandemonium," the airport warned.
Gatwick Express reported delays.
Sydney Airport said the "global disruption" had affected airlines and services.