Descripción: “...A search is performed on the main digital media as indexed databases, journals and articles , in order to classify the information related to the research topic as set out in the summary , title or body of the document made since 2000 to the year 2014 .Keywords: zero-day vulnerability, zero day attacks , information security , cyber threats, management of IT threats. ...”

Descripción: “...Abstract Within the transformations that have been affecting society in general, the topic of Smart Cities already covers a very broad field, which although in its beginnings it was born with only attempts at theoretical definitions to explain what this paradigm consists of, each time it is closer to being a state of the art. ...”