About one percent of the Web pages being delivered on the Internet are being changed in transit, sometimes in a harmful way, according to researchers at the University of Washington.
In a paper, set to be delivered Wednesday, the researchers document some troubling practices. In July and August they tested data sent to about 50,000 computers and discovered that a small number of Internet service providers (ISPs) were injecting ads into Web pages on their networks. They also found that some Web browsing and ad-blocking software was actually making Web surfing more dangerous by introducing security vulnerabilities into pages.
"The Web is a lot more wild than we originally expected," said Charles Reis , a PhD student at the University of Washington who co-authored the paper.
From a Internet user's point of view this really stinks. If you are a publisher, it is a very serious matter that someone is using your content to sell advertising and not compensating you.
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