Global IT Crash That Blocked 911 Calls and Grounded Planes Eases
Article 1 Comment In what will go down as the most spectacular IT failure the world has ever seen, a botched software update from cybersecurity firm CrowdStrike Holdings Inc. crashed countless Microsoft Windows computer systems globally. Microsoft Corp. and CrowdStrike have rolled out fixes and systems are being restored. But for several hours, bankers in Hong Kong, doctors in the UK and emergency responders in New Hampshire found themselves locked out of programs critical to keeping their operations afloat. “This is unprecedented,” said Alan Woodward, professor of cybersecurity at Surrey University. “The economic impact is going to be huge.” The catastrophic failure underscores an increasingly dire threat to global supply chains: The IT systems of some of the world’s biggest and most critical industries have grown heavily dependent on a handful of relatively obscure software vendors, which are now emerging as single points of failure. In recent months hackers have exploited this phenomenon, targeting vendors to bring down entire sectors and governments. Adding to the disruption, Microsoft experienced a separate and apparently unrelated problem with its Azure cloud service on Thursday that lasted for several hours. On Friday afternoon, the company said in a post on X that all Microsoft...