What Caused the Global IT Shutdown?

This document provides an overview of a global IT shutdown, emphasizing its causes and community impact. It details the outage timeline, affected regions (U.S., Canada, and England), and initial responses. Technical causes, cybersecurity vulnerabilities, and effects on healthcare services are explored. Examples include hospitals suspending visits, delays in non-emergency services, and the operational status of emergency care in England. The conclusion summarizes key points, lessons learned, ...