Spam

Porn sites used for solving CAPTCHAS

About nine month ago I wrote an article about funny CAPTCHAS (Completely Automated Public Turing test to tell Computers and Humans Apart) floating around the web.

As a little remark I pointed out that CAPTCHAS might be a temporary solution against comment spamming, automatic account generation, and so on, but that these might easily be bypassed with some cheap tricks:

Funny Captchas

Spam is an omnipresent problem on the Internet these days. Not only email is affected with approximately 100 billion Spam mails a day, but also search engines, instant messaging services, forums, and blog comments.
One temporary solution to reduce Spam in wikis, forums and blogs are reverse Turing tests or Captchas (Completely Automated Public Turing test to tell Computers and Humans Apart).

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