IEEE - Institute of Electrical and Electronics Engineers, Inc. - Emerging-Image Motion CAPTCHAs: Vulnerabilities of Existing Designs, and Countermeasures

Author(s): Song Gao ; Manar Mohamed ; Nitesh Saxena ; Chengcui Zhang
Sponsor(s): IEEE Computer Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 November 2019
Volume: 16
Page(s): 1,040 - 1,053
ISSN (CD): 2160-9209
ISSN (Electronic): 1941-0018
ISSN (Paper): 1545-5971
DOI: 10.1109/TDSC.2017.2719031
Regular:

Based on the notion of "emergence", Xu et al. (Usenix Security 2012; TDSC 2013) developed the first concrete instantiation of emerging-image moving-object (EIMO) CAPTCHAs using 2D hollow objects... View More

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