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Submission: On February 26 via api from DE — Scanned from DE
Submission Tags: phishingrod
Submission: On February 26 via api from DE — Scanned from DE
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Skip to main content CAPTCHA Research Group Toggle Search Menu * Home * CAPTCHAs * Adaptcha * aiCAPTCHA * FR-CAPTCHA * MB-CAPTCHA * fgCAPTCHA * FaceDCAPTCHA * Face Detection CAPTCHA * People * Dr. Brian M. Powell * Dr. Richa Singh * Dr. Afzel Noore * Dr. Mayank Vatsa * Publications Login * CAPTCHA Research Group * CAPTCHAs * Adaptcha ADAPTCHA CAPTCHAs are an important tool for preventing automated attacks against online systems but they can be a source of friction (undesirable delay and inconvenience) in the user experience. Good interface design strives to minimize potential sources of friction. Adaptcha reduces user experience friction by presenting CAPTCHA tests which users are likely able to solve quickly and accurately. It records metrics of user performance including success rates and completion times. These values are compared against CAPTCHA metadata to adaptively select CAPTCHAs which experience suggests the user will find easiest to solve, providing a low friction user experience. RESULTS In testing, Adaptcha's adaptive selection boosted human success rates by 8 percentage points and reduced the average completion time by 35%. DEMOS Try Adaptcha PUBLICATIONS CONFERENCE POSTERS 1. B. M. Powell, R. Singh, M. Vatsa, and A. Noore, “Poster: Adaptcha: An Adaptive CAPTCHA for Improved User Experience,” at 38th IEEE Symposium on Security and Privacy, San Jose, CA, 2017. Abstract PDF Poster PDF Publisher's Website * Adaptcha * Demo Dr. Brian M. Powell, Faculty Director 205 Armstrong Hall 94 Beechurst Avenue | PO Box 6109 | Morgantown, WV 26506-6109 P: 304.288.1549 | brian.powell@mail.wvu.edu Lane Department of Computer Science and Electrical Engineering Advanced Engineering Research Building 109 Research Way | PO Box 6109 | Morgantown, WV 26506-6109 P: 304.293.0405 * Accreditations * Web Standards * Questions or Comments? © 2024 West Virginia University. WVU is an EEO/Affirmative Action employer — Minority/Female/Disability/Veteran. Last updated on May 31, 2017 at 10:03 PM. * A-Z Site Index * Campus Map * Jobs * Directory * Give * MyAccess * MountaineerTRAK * WVU Alert * WVU Today * MIX * WVU on Facebook * WVU on Twitter * WVU on YouTube