Airlines, passengers and businesses across the globe attempted to overcome major disruption on Friday after a massive worldwide IT outage linked to US cybersecurity company CrowdStrike caused unprecedented havoc. Airports from Berlin and Zurich to New Delhi and Sydney were among those thrown into disarray after a bug in a CrowdStrike update affected computers running Microsoft Windows software. “This is not a security incident or cyberattack. The issue has been identified, isolated and a fix has been deployed,” CrowdStrike boss George Kurtz posted on social media platform X. Kurtz later told U…