There is no doubt - spammers are becoming cleverer every day. I've added CAPTCHA verification to my site in order to prevent spam comments from being submitted. It really helped - previously I used to remove about 10-20 of them on daily basis, offering everything from child pornography to grey mortgages. However, even after the new safety measures have been introduced, I still get a couple of comments a week, which were created by spammers. Somehow they manage to break CAPTCHA. In addition, they texts are quite long, compared to the traditional "go-to-this-web-site-and-buy-stuff" ads. They seem vaguely related to the content of the actual article to which they are added. I suspect some graduate or Ph.D. student, involved in Artificial Intelligence (AI) studies, has written a program to both analyse the text and to bypass the filters. Well done, mister hacker.

Tags: computers
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2 comments have been posted.

    Sept. 11, 2009, 8:23 a.m. - Foraje  
    I suggest you to use mathematics captcha - like : 8+3 = ?? Is a lot of spam programs that can "read" codes from images. BR
    Sept. 8, 2009, 12:38 p.m. - Shelley   
    Yes, spammers now do everything to promote their sites, I think that if they would have made the same effort and planting trees, then our planet would now have no free space.
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