Joe, your network administrator, is overworked and underpaid. His bags are packed and ready for a family vacation to Disney World when he is tasked with deploying a critical patch. In order to make his flight, Joe quickly builds an installation file for the patch and deploys it before leaving for his trip. Next, Sue, the on-call service desk technician, begins receiving calls that nobody can log in. It turns out that no testing was done for the recently installed critical patch. What is your response? What are the risks?  What are the vulner abilities? And what is the threat?