 Yesterday, much of the world facing disruption here, that widespread technology outage affecting companies and services across industries, grounding flights at many airports, knocking banks offline, even affecting Social Security, we're told here. Media outlets were knocked off the air. At the heart of the massive disruption, CrowdStrike, a cybersecurity firm that provides software to scores at companies worldwide. The company says the problem occurred when it deployed a faulty update to computers running at Microsoft Windows, and suddenly everything froze and went offline.