US 12,445,486 B2
Preventing phishing attempts of one-time passwords
Manbinder Pal Singh, Coral Springs, FL (US)
Filed by Citrix Systems, Inc., Ft. Lauderdale, FL (US)
Filed on Apr. 6, 2022, as Appl. No. 17/714,261.
Application 17/714,261 is a continuation of application No. 17/501,582, filed on Oct. 14, 2021, granted, now 11,356,481.
Prior Publication US 2023/0121470 A1, Apr. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/1483 (2013.01) [H04L 63/0838 (2013.01); H04L 63/126 (2013.01); H04L 63/1466 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A computer system comprising:
a memory; and
at least one processor coupled to the memory and configured to:
identify a first domain name associated with a website that served a login form for entering user credentials to a web browser;
identify a one-time password (OTP) entry request served from the website in response to transmitting the user credentials to the website;
identify a second domain name associated with an OTP server that provided an OTP corresponding to the OTP entry request;
determine that the first domain name differs from the second domain name; and
perform a security action in response to the determination.