![The issues were caused by a faulty software update and affected computers running Microsoft Windows, and were not due to a security incident or cyberattack, according to cybersecurity firm CrowdStrike, which issued the update. The issues were caused by a faulty software update and affected computers running Microsoft Windows, and were not due to a security incident or cyberattack, according to cybersecurity firm CrowdStrike, which issued the update.](https://www.chicagotribune.com/wp-content/uploads/2024/07/CTC-L-internet-outage22.jpg?w=132)
Flights disrupted. Radio stations knocked off the air. Mobile ordering suspended. Global technology outage creates headaches in Chicago area.
The issues were caused by a faulty software update and affected computers running Microsoft Windows, and were not due to a security incident or cyberattack, according to cybersecurity firm CrowdStrike,...