Patent ID: 9600651
Date: 2017-03-21
CPC Classifications: G06F,G06Q,H04L

Claim:
1. A system, comprising: a web server computer, including a set of instructions embodied on a computer readable medium, the instructions executable for: receiving a request for a web page from a user device; determining, at the web server computer, a reverse CAPTCHA field and an associated value for inclusion in the web page; providing, from the web server computer, the web page with the reverse CAPTCHA field to the user device in response to the request, wherein the reverse CAPTCHA field is configured that when the web page is rendered at the user device the reverse CAPTCHA field is not visible in a visual presentation of the web page and the reverse CAPTCHA field has the associated value as determined at the web server computer; receiving, at the web server computer, a response to the web page from the user device, the response including a received value associated with the reverse CAPTCHA field, the received value provided in the response to the web page from the user device; determining an expected value of the reverse CAPTCHA field at the web server computer; and comparing the expected value determined for the reverse CAPTCHA field at the web server computer with the received value provided in the response to the web page from the user device to determine if the response has been provided by an automated script.