Detecting human attacks on text‐based CAPTCHAs using the keystroke dynamic approach
Abstract A Completely Automated Public Turing Test to Tell Computers and Humans Apart (CAPTCHA) is a simple test that is used on websites to differentiate between human users and automated attacks that indulge in spamming and other fraudulent activities. A text‐based CAPTCHA is the most popular secu...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Hindawi-IET
2021-03-01
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| Series: | IET Information Security |
| Subjects: | |
| Online Access: | https://doi.org/10.1049/ise2.12018 |