What is the point of recapcha?

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kozavr2017-02-18 22:05:22

Information Security

kozavr, 2017-02-18 22:05:22

Is it enough just to check the box that "I'm not a robot" and captcha is fine? What is the difficulty for spambots? They can't see where to tick? They don't see that there is a captcha at all?

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Ivan Bogachev, 2017-02-18
@sfi0zy

No CAPTCHA reCAPTCHA analyzes your behavior on the page and, quite possibly, some other information (for example, whether you are authorized in a google account) and based on this it concludes whether you can be a robot. If there is such a possibility, you are given a task with pictures.

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xmoonlight, 2017-02-19
@xmoonlight

Everything is banal:
1. When loading and setting a ping-pong checkbox through ajax, the hash is generated, and the parameters for hash formation are a chain of interface events from the front.
2. The difference between the chain and the standard of human behavior NS -> guess the REBUS.
Therefore, it is enough to click around (on the background of the page) or just linger when setting the checkbox for 10 seconds to get a rebus.