Transport providers, businesses and governments on Saturday are rushing to get all their systems back online after long disruptions following a widespread technology outage.
The biggest continuing effect has been on air travel. Carriers canceled thousands of flights on Friday and now have many of their planes and crews in the wrong place, while airports facing continued problems with checking in and security.
At the heart of the massive disruption is CrowdStrike, a cybersecurity firm that provides software to scores of companies worldwide. The company says the problem occurred when it deployed a faulty update to computers running Microsoft Windows, noting that the issue behind the outage was not a security incident or cyberattack.
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Microsoft says 8.5 million devices running its Windows operating system were affected by a faulty cybersecurity update Friday that led to worldwide disruptions.
A Saturday blog post from Microsoft was the first estimate of the scope of the disruptions caused by cybersecurity firm CrowdStrike’s software update.
“We currently estimate that CrowdStrike’s update affected 8.5 million Windows devices, or less than one percent of all Windows machines,” said the blog post from Microsoft cybersecurity executive David Weston.
“While the percentage was small, the broad economic and societal impacts reflect the use of CrowdStrike by enterprises that run many critical services.”
Weston said such a significant disturbance is rare but “demonstrates the interconnected nature of our broad ecosystem.” Windows is the dominant operating system for personal computers around the world.
In Austria, a leading doctors organization said the global IT outage exposed the vulnerability of health systems reliant on digital systems.
“Yesterday’s incidents underscore how important it is for hospitals to have analogue backups” to safeguard patient care, Harald Mayer, vice president of the Austrian Chamber of Doctors, said in a statement on the organization’s website.
The organization called on governments to impose high standards in patient data protection and security and on health providers to train staff and put systems in place to manage crises.
“Happily, where there were problems, these were kept small and short-lived and many areas of care were unaffected” in Austria, Mayer said.
BERLIN — The German government’s IT security agency says numerous companies are still struggling with the consequences of a far-reaching technology outage.
“Many business processes and procedures have been disturbed by the breakdown of computer systems,” the BSI agency said on its website.
But the agency also said Saturday that many impacted areas have returned to normal.
It warned that cybercriminals were trying to take advantage of the situation through phishing, fake websites and other scams and that “unofficial” software code was in circulation.
The agency said it was not yet clear how faulty code ended up in the CrowdStrike software update blamed for triggering the outage.
LONDON — Europe’s busiest airport, Heathrow, said it is busy but operating normally on Saturday. The airport said in a statement that “all systems are back up and running and passengers are getting on with their journeys smoothly.“
Some 167 flights scheduled to depart from U.K. airports on Friday were canceled, while 171 flights due to land were axed.
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