US 12,468,456 B2
Systems and methods for secure storage of sensitive data
Carla S. Erb, Flower Mound, TX (US); Sheel Shah, Frederick, MD (US); James E. Deaver, II, Richmond, VA (US); Caleb J. Cockrill, Oakland, CA (US); Aaron Woodard, Glen Allen, VA (US); Samantha Bennett, Aubrey, TX (US); Christopher Halima, Woodbridge, VA (US); Andrew Moore, Richmond, VA (US); and Daniel Hazeley, Washington, DC (US)
Assigned to CAPITAL ONE SERVICES, LLC, McLean, VA (US)
Filed by Capital One Services, LLC, McLean, VA (US)
Filed on Mar. 12, 2024, as Appl. No. 18/602,933.
Application 18/602,933 is a continuation of application No. 17/897,262, filed on Aug. 29, 2022, granted, now 11,947,812.
Prior Publication US 2024/0370184 A1, Nov. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0622 (2013.01) [G06F 3/0655 (2013.01); G06F 3/0679 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
one or more processors; and
a memory in communication with the one or more processors, and storing instructions that when executed by the one or more processors are configured to cause the system to:
receive user data comprising a plurality of user names associated with a plurality of users and a plurality of anonymized user identifiers;
receive user attribute data comprising a plurality of user attributes associated with one or more users of the plurality of users;
receive a first plurality of hash values uniquely identifying an association between each user attribute of the plurality of user attributes and one or more users of the plurality of users;
receive, from a first computing device, a first request for a listing of user names associated with a first user attribute;
receive, based on a first user identifier, a first secret key;
generate a second plurality of hash values, wherein each hash value of the second plurality of hash values is based on a combination of one of the plurality of anonymized user identifiers, one of the plurality of user attributes, and the first secret key;
determine a first subset of the first plurality of hash values that match the second plurality of hash values; and
transmit the listing of user names associated with the first user attribute to the first computing device.