A buggy CrowdStrike update caused a global computer meltdown. Here's how it affected the UM Medical System.

For three days last month — after a botched update from the security software firm CrowdStrike brought down an estimated 8.5 million Windows devices around the world — a roving band of IT experts descended upon University of Maryland Medical System hospitals and outpatient centers to root out devices stricken by the dreaded 'blue screen of death.'