 The congresswoman was 74. It's being called the largest IT outage in history. Thousands of flights have been canceled worldwide, and businesses have been struggling to operate. More from CBS's Donya Beckus. CrowdStrike, a Texas-based cybersecurity company, says the problem arose when it deployed a faulty update to computers running Microsoft Windows. It's the biggest global IT outage that we've ever seen in the world, and definitely a black-eye moment for CrowdStrike.