[extropy-chat-test] Intelligent Spammers (was FW: [>Htech] Stealing Cycles from Human s (fwd from kra at monkey.org))
oregan.emlyn at healthsolve.com.au
Mon Oct 20 08:56:10 UTC 2003
Eugene posted this to Transhumantech today. The article is interesting, but
the last paragraph below really show how intelligent spammers can be - it's
lateral thinking at its best. Don't think that any simple technique is going
to finish them for good!
> From: Karl Anderson <kra at monkey.org>
> Date: 20 Oct 2003 00:23:32 -0700
> To: fork at xent.com
> Subject: Stealing Cycles from Humans
> Organization: Ape Mgt.
> User-Agent: Gnus/5.0802 (Gnus v5.8.2) Emacs/20.7
> "The players may not realize it, but the lists of descriptive
> words that they're generating could eventually be used by
> search engines such as Google to improve Internet searches for images.
> They also are doing something that no computer program has
> ever managed to accomplish: analyzing an image and accurately
> describing it in words.
> In effect, what von Ahn is creating with his game is a giant,
> special-purpose supercomputer that uses human brains to do
> the computing. And the 24-year-old von Ahn, a graduate
> student in computer science at Carnegie Mellon University,
> says this approach, which he calls "Stealing Cycles from
> Humans," could be applied to a wide variety of problems that
> are too great for any individual but also beyond the
> capabilities of conventional computers."
> "The CAPTCHA tests are simple for humans to pass, but hard
> for computers. A typical test features a word with fuzzy or
> distorted letters, or words overlapping each other, or a word
> superimposed on a complex background; visitors to the site
> are asked to type a word they see. Yahoo began using the
> CAPTCHAs on its Web registration form several years ago;
> other Web sites quickly copied the idea.
> But at least one potential spammer managed to crack the
> CAPTCHA test. Someone designed a software robot that would
> fill out a registration form and, when confronted with a
> CAPTCHA test, would post it on a free porn site. Visitors to
> the porn site would be asked to complete the test before they
> could view more pornography, and the software robot would use
> their answer to complete the e-mail registration."
> Karl Anderson kra at monkey.org http://monkey.org/~kra/
> FoRK mailing list
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