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The Role of Visual Features in Text-Based CAPTCHAs: An fNIRS Study for Usable Security
To mitigate dictionary attacks or similar undesirable automated attacks to information systems, developers mostly prefer using CAPTCHA challenges as Human Interactive Proofs (HIPs) to distinguish between human users and scripts. Appropriate use of CAPTCHA requires a setup that balances between robus...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Hindawi
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8112922/ https://www.ncbi.nlm.nih.gov/pubmed/34054941 http://dx.doi.org/10.1155/2021/8842420 |