Conjure up, if you will, an image of a city under siege by barbarians at the gate. Or perhaps even better still, how about the little Dutch boy busily attempting to plug the ever-increasing holes in the dike. Microsoft’s hundreds of security engineers are the little Dutch boy, and Windows XP, with its 45 million lines of code, each as a potential breach point, is the dike. On April 8, 2014, the little Dutch boy goes away; Microsoft will no longer deploy its security team to support the ancient o