If you like to search for "music lyrics" or "free" things, you are engaging in risky cyber behavior. And "free music downloads" puts 20 percent of Web surfers in harm's way of malicious software, known as "malware." A new research report by U.S.-based antivirus software company McAfee has identified the most dangerous Internet search words that place users on pages with a higher likelihood of cyber attacks. The study examined 2,600 popular keywords on five major search engines -- Google, Yahoo, Live, AOL and Ask -- and analyzed 413,000 Web pages. "Just in the past year, we've seen a pretty dramatic shift in what we call malware," David DeWalt, president and CEO of McAfee, told Richard Quest for CNN International's "Quest Means Business."

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