Global tech outage: What we know [Video]

Much of the world faced online disarray Friday as a widespread technology outage affected companies and services across industries – grounding flights, knocking banks and hospital systems offline and media outlets off the air.At the heart of the massive disruption is CrowdStrike, a cybersecurity firm that provides software to scores of companies worldwide. The company says the problem occurred when it deployed a faulty update to computers running Microsoft Windows, noting that the issue behind the outage was not a security incident or cyberattack.CrowdStrike has said a fix is on the way. Still, chaos deepened hours after the problem was first detected.Here’s what you need to know:How did Friday’s global outage happen?Friday’s disruptions began when a faulty update was pushed out from CrowdStrike for one of its tools, “Falcon.” In a statement about the ongoing situation, the company said the defect was found “in a single content update for Windows …