Patent ID: 8386253
Filing Date: 2013-02-26
Classification: G06F,G10L,H04L,H04W

Abstract:
1. A method for detecting unauthorized user account communications, comprising: sampling beginning portions of messages, sent from a user account, associated with a first authorized user to obtain a first plurality of message samples; extracting first respective language patterns from the first plurality of message samples; creating a first authorized profile based on the first respective language patterns; sampling a beginning portion of a recent message sent from the user account to obtain a recent message sample; extracting a language pattern from the recent message sample; and comparing the language pattern extracted from the recent message sample to the first authorized profile according to an allowable amount of deviation between the language pattern extracted from the recent message sample and the first authorized profile to determine whether the recent message is an unauthorized user account communication, the allowable amount of deviation based on an amount of message samples in the first plurality of message samples.