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...

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Veröffentlicht in:	arXiv.org 2023-11
Hauptverfasser:	Mulazimoglu, Emre, Cakir, Murat P, Acarturk, Cengiz
Format:	Artikel
Sprache:	eng
Schlagworte:	Computer Science - Cryptography and Security Computer Science - Human-Computer Interaction Hemodynamic responses Information systems Infrared analysis Infrared spectra Medical imaging Near infrared radiation Occlusion Oxygenation Usability Visual effects
Online-Zugang:	Volltext
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