Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Detecting Virus Outbreaks The Moment They Start Killing a virus attack before it becomes damaging is something of a holy grail in today #39;s security environment. That #39;s because most viruses today are distributed through attachments to e-mail 

Sci/Tech