Inventors:
- Mountain View CA, US
Edison Tan - Brooklyn NY, US
Sacha Christophe Arnoud - San Francisco CA, US
David John Abraham - Brooklyn NY, US
Michael Crawford - Sydney, AU
Colin McMillen - Somerville MA, US
Joseph Andrew McClain - Cranberry Township PA, US
Bryan Arthur Pendleton - Swissvale PA, US
Mark R. Russell - Prospect PA, US
Luis Von Ahn - Pittsburgh PA, US
Assignee:
GOOGLE INC. - Mountain View CA
International Classification:
H04L 29/06
Abstract:
Systems and methods for verifying a user based on reputational information are provided. In particular, a computerized CAPTCHA system consisting of one or more computers can determine a trust score based on one or more reputation signals associated with a user computing device, select a challenge to provide to the user computing device based on the trust score, and determine whether to verify the user computing device based on a received response to the challenge and/or the trust score.