IEEE - Institute of Electrical and Electronics Engineers, Inc. - Research on the Security of Microsoft’s Two-Layer Captcha

Author(s): Haichang Gao ; Mengyun Tang ; Yi Liu ; Ping Zhang ; Xiyang Liu
Sponsor(s): IEEE Signal Processing Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 July 2017
Volume: 12
Page(s): 1,671 - 1,685
ISSN (Electronic): 1556-6021
ISSN (Paper): 1556-6013
DOI: 10.1109/TIFS.2017.2682704
Regular:

Captcha is a security mechanism designed to differentiate between computers and humans, and is used to defend against malicious bot programs. Text-based Captchas are the most widely deployed... View More

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