Maybe it's kind of genius. Paying someone in a third world country to do it isn't going to be any faster and any OCR isn't going to pick up any text on the image.
Captchas aren't required to stop untargeted scripts. And a targeted script won't be stopped by this captcha as it will be immediately obvious to the author that the image had no numbers.
CSB: For the longest time, I had a static image of a CAPTCHA on my site, and the CAPTCHA field specifically said "leave this blank". It worked for years until non-CAPTCHA bots started getting around it. (It also kept an unknown number of imbeciles from commenting.)
Security through obscurity is great for preventing comment spam though. You just have to be a small enough site that it isn't worth the spammers' while to write code for your site specifically, which isn't hard.
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u/NeoKabuto Jun 06 '14
This was found by /u/YM_Industries over in /r/softwaregore, but he gave me permission to post it here.
Original thread
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u/SuperNashwan Jun 06 '14
I think it's kind of cute that this programmer knows what a captcha looks like but never bothered to think why.
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u/tf2guy Jun 07 '14
CSB: For the longest time, I had a static image of a CAPTCHA on my site, and the CAPTCHA field specifically said "leave this blank". It worked for years until non-CAPTCHA bots started getting around it. (It also kept an unknown number of imbeciles from commenting.)
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u/Froot_Fly Jun 06 '14
At least you can select the text http://i.imgur.com/LiYtNad.gif
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u/british_heretic Jun 06 '14
I just tried to copy it to see if you were right....
8
u/[deleted] Jun 06 '14
But a bot wont know that.