How a software update caused one of the world's biggest IT blackouts

In this article Patrick T. Fallon | Bloomberg | Getty Images At the heart of the issue is Texas-based cybersecurity vendor CrowdStrike. On Friday, the cybersecurity firm experienced a major disruption following an issue with a software update. CrowdStrike is a cybersecurity vendor that develops software to help companies detect and block hacks. It is used by many of the world's Fortune 500 companies, including major global banks, healthcare and energy companies. This differs from alternative approaches used ...