In Pictures: 20 surefire IT mistakes

10. Losing control over critical IT assets

Senior management has a request: "The marketing team needs to run ad-hoc SQL queries against the production database." It's simple enough to implement, so you grudgingly make it happen and move on. Next thing you know, poorly formed queries are bringing the server to its knees before every Thursday marketing meeting. Your next assignment? "Fix the performance issue." Backseat drivers are a hazard; handing over the keys to someone who can't drive can be fatal. The experience and judgment of IT management plays a crucial role in all decisions related to IT assets. Don't abdicate that responsibility out of a desire to avoid confrontation. A bad idea is a bad idea, even if business managers don't realize it.