A global outage linked to the cybersecurity firm CrowdStrike caused widespread disruptions to Microsoft 365 apps, impacting banks, airlines, hospitals, and other public services worldwide. The outages resulted in thousands of flight cancellations, delayed medical procedures, and disruptions to public services. Despite Microsoft’s efforts to mitigate the issue, many businesses and organizations faced challenges in restoring their systems due to the nature of the problem related to endpoint detection and response products. As a result, companies were advised to work closely with their technology departments to resolve the issues. While some systems began to recover, it was likely to take days for all affected systems to be fully operational. Airlines like American Airlines, Delta Air Lines, and United Airlines resumed some operations, while hospitals in the U.S. and Europe had to cancel surgeries and medical visits. The impact of the outage was felt globally, with reports of disruptions in various sectors such as finance, healthcare, and transportation. It was noted that the outage was not a cyberattack but a technical issue related to CrowdStrike’s software update. The global response to the outage highlighted the interconnectedness of technological systems and the need for robust cybersecurity measures to prevent similar incidents in the future.
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