SAN FRANCISCO -- Computer intruders targeting pro-Tibetan groups,
U.S. defense contractors and government agencies slipped in through
previously unknown security holes in Microsoft Office, prompting
Microsoft to issue a flurry of patches to the popular software suite in
2006 and 2007, according to computer security experts.
These attacks, which appeared to have originated in China, began in
early 2006 when the attackers started sending e-mails to victims with
booby-trapped Word documents and Excel spreadsheets attached.
"We are seeing more and more spying done with Trojans, a shift that has
happened in the last two years," Mikko Hyppönen, the chief research
officer for software security vendor F-Secure, told RSA conference
attendees Thursday morning.
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