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Machine Learning for Cybersecurity Cookbook
book

Machine Learning for Cybersecurity Cookbook

by Emmanuel Tsukerman
November 2019
Intermediate to advanced content levelIntermediate to advanced
346 pages
9h 36m
English
Packt Publishing
Content preview from Machine Learning for Cybersecurity Cookbook

CAPTCHA breaker

A CAPTCHA is a system intended to prevent automated access or scraping. It does so by asking questions that are meant to recognize when the user is a human and when the user is a program. You have probably seen countless variations of the following screenshot:

Sometimes, the request is to insert a code, sometimes it is to select some objects, for example, storefronts or traffic lights in a series of images, and sometimes the CAPTCHA is a math question. In this chapter, we are going to break a simple CAPTCHA system, called Really Simple CAPTCHA:

Despite its simplicity, Really Simple CAPTCHA is still widely used. Most importantly, ...

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Publisher Resources

ISBN: 9781789614671Supplemental Content