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Forum Moderators: phranque
CAPTCHAs Get Smart [googleresearch.blogspot.com]
I have reversed my approach on bot catching several months ago on my forums which have an average of 5000 spambot attacks per day. There was not one succeeding attempt in the last six months, even though no captchas or other human-intelligence checks were in place and all these forums allow posting without registration.
It shouldn't be difficult for Google to reverse their approach in the same way with only annoying the bots, rather than annoying the legitimate users.
-- at an angle --
On my sites, IIF X times = Boot, See you tomorrow.
-- you have to be handicapped and in a wheelchair to understand them--
I hope that would actualy be tentitive to the developer who implemented the CAPTCHA system. The whole point is "Don't make me think" for the end user. One can't just go slaping CAPTCHAs on pages if one has not have clue what it is.
Taken from recent Friday Word Game: Unctuous zooplanktons. I think that is where the problem lays. People try to implement it and letting zooplanktons bread in their neghbourhood without understanding why.
<end rant />
found this on digg:
And there is a site that will solve the captcha's with humans for as little as $6 per thousand.
From what I have read, they simply pass the captcha image to some unsuspecting person to solve and then pass the solution back to whatever form. Although the bbc article mentions using infected users, there are an unlimited number of ways to trick people into solving captcha's for another site.
So any captcha method that relies on Humans to solve can simply be defeated with this solution ... using Humans to solve it.
[edited by: phranque at 9:09 pm (utc) on April 24, 2009]
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There are almost 20,000 new computer viruses being created every day.
There are approximately 250,000 new computers infected everyday that are used by these criminals.
That mass of "fake humans" could intentionally incorrectly solve these new images so that none are ever kept.
These criminals are far from stupid as my above post clearly demonstrates.