Malicious software code has been around for decades. But only in the last few years have the Internet, high-speed connections and millions of new computing devices converged to create a truly global computing network in which a virus or worm can circle the world in a matter of minutes.
Meanwhile, criminal hackers have become more sophisticated, creating and distributing digital epidemics like Slammer, Blaster, Sobig and Mydoom that spread almost instantaneously, threatening the potential of technology to advance business productivity, commerce and communication.
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