When Dorothy and her friends finally made it to the gates of the Emerald City, all they had to do to meet the wizard was present a pair of ruby slippers. They’re lucky those gates weren’t operating like a modern data center, however: That would have required significantly more steps for them to enter.
“Data centers are mission-critical operations, which means they are going to have a lot more layers of security than most buildings,” said Brandy Byrd Chapman, a data center security expert for Ameristar Perimeter Security. “Think of a military base: You’re going to go through several layers of security…​