Contrary to original ideas that automated tools had been developed to defeat security checks and establish webmail accounts, cyber criminals are employing sweatshops in India for as little as $4 a day to defeat anti-spam security checks, according to a recent analysis by net security firm Trend Micro Anti-captcha. Previous systems to solve the CAPTCHA security check included the creation of a virtual stripper programme that awarded dupes with the removal of an item of clothing when they typed text shown in an accompanying image, served up from a web service sign-up CAPTCHA.