Has Google’s reCAPTCHA system been cracked?
Thats an interesting question and one I’d not given much thought to as I certainly don’t recall seeing any mention of it from Google themselves.
It seems, however, that the anti-spam system may well have been compromised, at least according to an interesting post from AllSpammedUp.
Judging by the comments left on the post it would seem that many webmasters are in agreement.
If you run a forum or other website that uses reCAPTCHA to limit the number of spammy comments you receive then you really need to read this article –
Have you had any issues with reCAPTCHA yourself?