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: Hacker exposes private data at UC Computer held personal files on &lt;b&gt;...&lt;/b&gt; In a potentially huge computer security breach, a hacker broke into a computer at UC Berkeley containing Social Security numbers and other personal data for about 600,000 Californians, the university said Wednesday.

Sci/Tech