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: News: Rise of the Botnets The first half of 2004 saw a huge increase in zombie PCs. Also called bots, their average numbers monitored by security firm Symantec rose between January and June from under 2,000 to more than 30,000 per day - peaking at 75,000 on one day.\

Sci/Tech