Research Findings:

  • reCAPTCHA v2 is not effective in preventing bots and fraud, despite its intended purpose
  • reCAPTCHA v2 can be defeated by bots 70-100% of the time
  • reCAPTCHA v3, the latest version, is also vulnerable to attacks and has been beaten 97% of the time
  • reCAPTCHA interactions impose a significant cost on users, with an estimated 819 million hours of human time spent on reCAPTCHA over 13 years, which corresponds to at least $6.1 billion USD in wages
  • Google has potentially profited $888 billion from cookies [created by reCAPTCHA sessions] and $8.75–32.3 billion per each sale of their total labeled data set
  • Google should bear the cost of detecting bots, rather than shifting it to users

“The conclusion can be extended that the true purpose of reCAPTCHA v2 is a free image-labeling labor and tracking cookie farm for advertising and data profit masquerading as a security service,” the paper declares.

In a statement provided to The Register after this story was filed, a Google spokesperson said: “reCAPTCHA user data is not used for any other purpose than to improve the reCAPTCHA service, which the terms of service make clear. Further, a majority of our user base have moved to reCAPTCHA v3, which improves fraud detection with invisible scoring. Even if a site were still on the previous generation of the product, reCAPTCHA v2 visual challenge images are all pre-labeled and user input plays no role in image labeling.”

10 points

They were using us to label the data.

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6 points

That’s why you always make sure that labeling is “garbage in” and label whatever

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-1 points

Sometimes I think writers just try to find things to be edgy about. The straws this grasps at it are incredible. Might as well complain from the billions of unpaid man hours people provide by providing common courtesy for free.

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17 points

Why is that no news to me? How did so many people not know that? Should I have spread the word more, even if all people I told that where likr “yea, yea, of course, but, what can I do? 🤷🏻‍♀️”?

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2 points

I mean, duh? With proof of work captchas existing, there’s no reason to have those image selection captchas… Ever…

How those work is by having the server generate a puzzle. Server side this is cheap to generate, while client side solving is “hard”. The server can even choose the difficulty of the puzzle, and even set it dynamically. This means that when your website is under light load the captcha can be really easy/fast to solve. If your website is under attack however the captcha can be set to take seconds to solve.

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-11 points

This is bullshit. Author is literally insane.

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