Client profile and service policy based CAPTCHA techniques
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United States of America Patent
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Jul 23, 2019
Grant Date -
Nov 10, 2016
app pub date -
May 8, 2015
filing date -
May 8, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Client profile and service policy based captcha techniques. In one embodiment, a method comprises receiving a service request from a client device. A captcha is selected based upon the client information and a client policy in response to the service request. Captcha instructions and expected captcha response are generated for the selected captcha. The captcha instructions are sent to the client device for processing thereby. In response to the captcha instruction, a captcha response from the client device may be received. The captcha response is compared to the expected response to determine based on the service policy if the client device is operating under control of a user or operating autonomously.
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