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Cybersecurity firm CrowdStrike says “a significant number” of devices that were impacted by a global IT outage on Friday are now back online.<\/p>\n
In a social media post, the company – whose faulty security update caused Microsoft Windows computers to crash around the world – added it “continues to focus on restoring all systems”.<\/p>\n
Microsoft has estimated that the incident, which is being described as one of the worst IT outages in history, impacted 8.5m computers around the world<\/a>.<\/p>\n Businesses, banks, hospitals and airlines were among the worst-hit, with some still struggling to fully restore their systems.<\/p>\n<\/div>\n “We understand the profound impact this has had on everyone. We know our customers, partners and their IT teams are working tirelessly and we\u2019re profoundly grateful,” CrowdStrike said<\/a>.<\/p>\n “We apologise for the disruption this has created.”<\/p>\n However, the company did not say how many devices were still being impacted.<\/p>\n More than 1,400 flights, into or out of the US, were cancelled on Sunday, according to aviation tracking and data platform FlightAware.<\/p>\n Delta and United Airlines were the worst affected US airlines.<\/p>\n Health services in Britain, Israel and Germany were also impacted on Friday, with some services cancelled.<\/p>\n The massive outage has put a spotlight on the vulnerability of global computer networks, showing how a single glitch can cause global chaos.<\/p>\n<\/div>\n