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On Friday, a major tech failure disrupted services worldwide and highlighted the vulnerability of interconnected technologies. Cybersecurity firm CrowdStrike apologized after an update to its antivirus software, which protects Microsoft Windows devices from attacks, caused a global outage. This outage led to thousands of flight cancellations and delays and affected banking, healthcare, and payment systems. Although the software bug has been fixed, experts warn that manually rebooting each affected computer will take significant time and effort. Microsoft estimated that 8.5 million computers globally were impacted by the glitch, making it the worst cyber event in history. The UK’s National Cyber Security Centre and Germany’s IT security agency have warned that scammers might exploit the situation. Despite the fix, it will take time to resolve all issues and clear backlogs. It is important to be prepared for such disruptions in the future and have resilient systems. Difficult words: reboot (to restart a computer), glitch (a small fault or problem in a system or machine), scammer (a person who makes money by tricking people). Fuente: Newsinlevels Foto: Canaltech ## Images 1. 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