GUEST TRIAL: A Breakdown of Google’s Revisions to Streamline Its “reCAPTCHA” Bot Filter

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Most of us internet users are obviously familiar with CAPTCHAs: a challenge or test designed to filter out bots (automated programs) and only allow legitimate human users.

Related: How Bots Fuel “Business Logic” Hacking

The basic premise behind CAPTCHA is quite simple: testing should be as difficult as possible (if not impossible) for these bots to solve, but at the same time it should be easy enough for human users not to harm the user experience. .

It is precisely on this principle that all kinds of CAPTCHA problems arise. Today’s bots are really advanced, and advanced AIs are now reliable enough to solve CAPTCHAs. So we need to make CAPTCHAs harder, but at the same time we all know how really boring CAPTCHA challenges can be, and we’re just going to bounce off a site featuring even harder CAPTCHAs.

This is why Google invented the invisible reCAPTCHA and other newer versions of reCAPTCHA.

reCAPTCHA

What is reCAPTCHA? Simply put, there are many companies currently offering CAPTCHA solutions, and reCAPTCHA is Google’s CAPTCHA solution brand.

Yulini

If you’ve been on the internet for long enough, you might remember the first iteration of reCAPTCHA (now called reCAPTCHA v1) where we’re shown a pair of words, one of them is scratched, warped, or obscured. in different ways. it can only be identified by a human user.

This distortion method to trick the bot’s OCR (Optical Character Recognition) was actually a big innovation at the time, which convinced Google to buy the reCAPTCHA company in 2009, and reCAPTCHA v1 continues to be reliable and popular throughout the 2010s.

However, this is no longer the case. reCAPTCHA v1 was officially closed in 2018 and was replaced by the new invisible reCAPTCHA.

Invisible ReCAPTCHA

The invisible reCAPTCHA is actually just one of the different versions of reCAPTCHA v2.

You’ve probably come across the reCAPTCHA “I’m not a robot” checkbox, which is actually a type of reCAPTCHA v2. Google often calls this version the no CAPTCHA-reCAPTCHA.

As the user, we only have to click on the checkbox, but it is actually quite advanced technology. Put simply, Google analyzes customer behavior before, during, and after checking the box to determine if the customer is a human user. Google uses various advanced technologies, including analyzing your browser history (if you are using Chrome), mouse movements, typing patterns, and more.

If Google is still not sure if you are a human or a bot, only then will you be presented with the “select all images with xxxx”

About the essayist: Emma Yulini is a professional blogger who has written over 500 articles on a variety of tech topics.

*** This is a syndicated blog from The Last Watchdog’s Security Bloggers Network, written by bacohido. Read the original post at: https://www.lastwatchdog.com/guest-essay-a-breakdown-of-googles-revisions-to-streamline-its-recaptcha-bot-filter/


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