Collection of a Dataset
The collection of Data is the first and essential step in training a Machine Learning Model. It is no different here. First, we need to find a dataset with many CAPTCHA images. The dataset needs to be diverse to ensure the model would be able to solve any CAPTCHA it is given.The collection of CAPTCHA images is not that easy of a feat. Finding a legal way to acquire the datasets is quite an involved process, and if you want to scrape them from websites, you should be informed that doing it without permission might be illegal and it is also unethical. So, we need to resort to using open-source datasets.
A dataset that can be used is a small Dataset from Kaggle. It is sufficient for learning about Captchas. You can find it here.
A dataset is effectively a folder with images and labels. You just need to mention the path, and it is as simple as that.
How to Break a CAPTCHA System with Machine Learning?
CAPTCHA, short for Completely Automated Public Turing Test to Tell Computers and Humans Apart, is a revolutionary technology that helps identify humans from bots and saves your site from malicious intentions. But this technology has begun to show its age. Captcha was supposed to be a robust system, but artificial intelligence is driving it almost useless. To break a Captcha, we require a machine-learning model which we need to train. After its training, all that is required is to feed the model any CAPTCHA you want, which it will solve for you.
Through this article, we will explore how one can break a CAPTCHA system with the help of machine learning. We will discuss in detail the complete process. Besides, we will also share the limitations of this approach and the ethical and moral issues that need to be considered while attempting this. This should be remembered that our intention behind breaking CAPTCHA should be to educate ourselves and highlight the incapability of the system to filter out non-humans. But CAPTCHAs are the things saving sites from malicious attacks, and they are effectively safeguarding the internet. So, using bots to break CAPTCHAs on websites without permission is unethical at best and also illegal, depending on your location.
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