A new battleground for computer security
The changing interests of the Internet's troublemakers are creating fresh dangers for consumers, making Web sites they know and trust potential sources of PC misery.
For years, computer viruses that crippled personal computers were typically spread through old-school email programs, usually using attachments. Now, Web-based applications increasingly are in the crosshairs of hackers. And Web technology -- often poorly guarded -- is providing ample opportunity for mischief, putting major players like Google Inc. and Yahoo Inc. in the security spotlight.
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