US 11,677,765 B1
Distributed denial of service attack mitigation
Ramanathan Ramanathan, Bellevue, WA (US); Ajay K. Rentala, Hyderabad (IN); Rama Rao Yadlapalli, Hyderabad (IN); Vamsi K. Geda, Hyderabad (IN); and Rameshchandra Bhaskar Ketharaju, Hyderabad (IN)
Assigned to Wells Fargo Bank, N.A., San Francisco, CA (US)
Filed by WELLS FARGO BANK, N.A., San Francisco, CA (US)
Filed on Oct. 18, 2021, as Appl. No. 17/503,894.
Application 17/503,894 is a continuation of application No. 16/894,417, filed on Jun. 5, 2020, granted, now 11,184,371.
Application 16/894,417 is a continuation of application No. 15/856,200, filed on Dec. 28, 2017, granted, now 10,715,535, issued on Jul. 14, 2020.
Claims priority of provisional application 62/440,803, filed on Dec. 30, 2016.
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/1416 (2013.01) [H04L 63/1458 (2013.01); H04L 63/1483 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a processor coupled to a memory that stores instructions that, when executed by the processor, cause the processor to:
determine whether a unique code is present on a device attempting to access an online session of a website, wherein the unique code is linked to the website, and the device is associated with a validated user of the website;
issue a temporary code with a predetermined validity time when the unique code is not present; and
launch the website through a secure communication channel.