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Has anyone looked into how they are defeating particularly, the Q&A? Also, they seem to be able to validate bogus email accounts. How can they be doing this?
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If memory serves me right, a while ago I remember reading about how the spammers were working on automated programs that were capable of limited ability to bypass a capcha.
Facebook has recently had a group receive over 90,000 new members in a matter of hours. The ability to register new members like this is of concern.
Clearly some work has been going on with automated systems, to enable the spammers to bypass the methods to keep them out.
This site is not the place to discuss how this is being done, but it has been noted.
Similar things are going on in regard to scammers. The ability of scammers and spammers to use automated systems is being watched carefully, as it is a real danger, and involves vast sums of money.