Can CrowdStrike win back the confidence of investors and customers? Last month, CrowdStrike (CRWD -3.34%) faced one of technology companies' biggest nightmares: The cybersecurity giant launched a faulty software update that shut down the operations of customers around the world. Experts are calling it the biggest IT outage in history. Companies faced blue error screens and couldn't access data needed to maintain everything from airplane flights to surgery schedules. So business came to a halt. Unsurprisingl ...