Patent ID: 8069210
Filing Date: 2011-11-29
Classification: G06Q,H04L

Abstract:
1. A computer-readable storage medium for programming a processor to perform a method for detecting bot-user accounts on a web-based email system, the method comprising: a) determining a group of seed accounts that are potentially bot-user accounts, said step of determining comprising the step of examining a number of user account signups within a predefined period of time to detect an anomaly in the changes in the user account data; b) examining a degree to which the seed and other candidate accounts share the same IP addresses when sending emails, said step of examining comprising the step of constructing a graph wherein the vertices are user accounts and two vertices are connected by an edge if the corresponding two user accounts share at least one IP address within a predefined period of time; and c) identifying bot-user accounts on the web-based emails system based on the results of said steps a) and b).