hacktricks/a.i.-exploiting/bra.i.nsmasher-presentation/basic-captcha-breaker.md

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In this tutorial **a basic captcha is going to be broken**.  
A **NN is going to be trained** using several **images** that represents **letters** and then this NN is going to be used to **automatically identify the letters inside a captcha image**.

Check the awesome guided tutorial provided by [**BrA.In Smasher**](https://beta.brainsmasher.eu/) in this [**google collab page**](https://colab.research.google.com/drive/1uiQJpqEj5V2_ijoumSd2noaDJuniTlKq?usp=sharing).



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