A global cyber outage on July 19th caused widespread disruptions across airlines, banks, and financial markets. The culprit appears to be a faulty software update from CrowdStrike, a global cybersecurity firm. The update affected computers using Microsoft’s Windows operating system, causing the CrowdStrike Falcon Sensor software to malfunction.
The outage led to flight groundings by major airlines like American, Delta, and United, as well as delays and cancellations at airports around the world. Banks globally reported disruptions to services like online banking, ATMs, and card payments. Trading operations were significantly impacted, with traders experiencing problems executing transactions and accessing trading platforms.
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CrowdStrike and Microsoft have stated they are working to resolve the issue and provide fixes. The outage highlights the vulnerability of global infrastructure and reliance on technology, raising concerns about the reliability of cybersecurity software and the importance of rigorous testing and quality control for updates.