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Faulty Cybersecurity Update Causes Major Disruptions Across Alberta and Beyond




A faulty update from cybersecurity firm CrowdStrike caused widespread disruptions on Friday, affecting Microsoft 365 apps and services. The issue, unrelated to a cyberattack, impacted businesses and public services across Alberta and beyond. Calgary International Airport faced significant delays, with airlines like American, United, and Delta experiencing cancellations. 


Porter Airlines halted all flights until noon, while WestJet reported no direct impacts. The outage affected Alberta Health Services, though patient care continued uninterrupted. The incident underscores the vulnerabilities in modern IT infrastructure, highlighting the risks of relying on a few major software providers. Full impact assessment may take days or weeks.






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