This is a very modern problem. You'll be browsing Google before you come to a conclusion when you're suddenly asked to prove you're not a robot. As a result, you will need to enter the correct letters displayed on the screen or identify which images contain a road, mountain or traffic light or something similar. Then, you will be allowed to continue your search.
Internet users often see a message inside a box while searching on Google, with the aim of proving that you are human rather than a robot.
That is, I am not a robot in a box that has to be clicked.
Well, it is very easy to get out of it with a click of the mouse, but the mechanism behind it is very interesting and shocking.
In fact, you can't even imagine how complicated this one click is.
In fact, you can't even imagine how complicated this one click is.
Google created an entire virtual machine for this purpose that activates another computer within a computer to make the checkbox work.
This virtual machine uses Google's own encryption language.
But it is not a simple encryption technology that is often used by websites to protect passwords.
The language invented by Google is decoded with a key that changes the process of reading the language, and this language also changes continuously during reading.
Google associates this key with the visiting web address so that you cannot use one website's reCAPTCHA for another website.
It also contains 'fingerprints' of your browser that computer bots cannot copy.
All this has been done so that it is difficult for you to understand what Google is doing in this regard.
The reality is that these checkboxes record and analyze a lot of data.
Your computer's time zone and time, IP address and location, screen size and resolution, browser used, plug-ins used, duration of a page display, number of times keyboard keys or mouse are pressed. It's clicked, as the data is analyzed.
These checkboxes also instruct your browser to create an invisible image and send the image to Google for verification.
Also, the checkbox contains all the data of the person using the computer.
Almost everyone on the Internet uses some Google service like search, mail, ads, maps, and others, and when you click a checkbox, Google tracks your data.
Google also analyzes browser history to verify that you are human.
All this is very easy for Google's system because it constantly observes the behavior of billions of real people.
It is not possible to know how this system checks all the details, but it uses machine learning or artificial technology in private servers, which is impossible to imitate.
So why is it so hard for a computer bot to defeat this checkbox? You can guess it from the strange behavior of humans listed above.
A computer bot can sign up to a Google service and use a computer, but the way humans press keys on keyboards or click a mouse is almost impossible for computers to understand or learn.
That is, computer bots can click a checkbox, but they can't click it as quickly as a real user because they need time to understand it.
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