Mistakes might lead to humility in some people, but they can also lead to agony in others. The key to success is meticulous attention to detail, but if you wander, pray the monsters don't show up. Welcome to the world of an IT professional for a managed service provider. On the surface, they appear to be masters of their realm, calm, cool and collected. However, a single blunder made by just one client employee could allow cyber monsters to take over the customer's infrastructure.