Microsoft outage: Read CrowdStrike’s memo explaining how its update broke the computers worldwide

A faulty software update from cybersecurity company CrowdStrike triggered a worldwide IT meltdown last Friday (July 19), bringing airlines, banks, and retailers to a standstill. The update, designed to protect against cyber threats, contained a critical error that caused widespread disruption. Thousands of flights were grounded, emergency services faced challenges, stores were forced to close or operate in cash-only mode, and hospitals experienced delays in procedures.