Breaking CaptchaStar Using the BASECASS Methodology
Carlos Javier Hernández‐Castro, David F. Barrero, Maria Dolores R-Moreno · ACM Transactions on Internet Technology · 2022
In this article, we present fundamental design flaws of CaptchaStar. We also present a full analysis using the BASECASS methodology that employs machine learning techniques. By means of this methodology, we find an attack that bypasses CaptchaStar with almost 100% accuracy.