CrowdStrike apologises for faulty software update that caused global IT outage

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The world is slowly recovering from what some are calling the largest IT outage in history. It was caused by a defect in an update delivered for Microsoft Windows users by cyber security company CrowdStrike. Airlines, banks and hospitals and were among the worst-hit. CrowdStrike's CEO has apologised for the massive disruption, saying a fix has been issued but he's admitted it could take "some time" for all systems to be operating again.