When it comes to security, no method is 100 percent effective, however. That's why experts say it takes several types of safeguards to adequately protect a computer. It's also important not to underestimate the value of these steps, said Zach Dean, a school technical coordinator for Owensboro Public Schools. "The computer is like a car or a house. It's an investment," Dean said. "You need to do the same stuff with your computer as your car and house. Get it fixed." Guarding from the inside out One of the first things to worry about when setting up protection for a computer is ...