Patent ID: 9558339
Date: 2017-01-31
CPC Classifications: G06F,H04L,H04W

Claim:
1. A method comprising: determining whether a user, who utilizes a computing device to interact with a computerized service, is either an authorized user or an attacker; wherein the determining comprises: modifying a log-in screen of the computerized service to cause said log-in screen to exhibit a temporary input/output interference that causes an anomaly between (A) input gestures that the user performs via an input unit of said computing device, and (B) output that is displayed on a display unit of said computing device; tracking user interactions via said input unit in response to said temporary input/output interference at the log-in screen; if said tracking of user interactions indicates that said user performed a manual correction operation to correct said anomaly, then determining that said user is an authorized user; if said tracking of user interactions indicates that said user did not perform manual correction operations that adequately correct said anomaly, then determining that said user is an attacker.