US 12,333,048 B1
Active data disposal
John Brady, Louisburg, NC (US); Susanne O'Neill, Loveland, OH (US); Matthew Gomez, Fort Worth, TX (US); and Andrew J. McLellan, Cumberland, RI (US)
Assigned to FMR LLC, Boston, MA (US)
Filed by FMR LLC, Boston, MA (US)
Filed on Aug. 28, 2024, as Appl. No. 18/817,890.
Int. Cl. G06F 21/62 (2013.01); G06F 16/23 (2019.01); G06F 21/00 (2013.01); G06F 21/60 (2013.01)
CPC G06F 21/6245 (2013.01) [G06F 16/23 (2019.01); G06F 21/602 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A computerized method for active data disposal, the method comprising:
identifying a record to be deleted from a computer database, the record comprising personally identifiable information (PII) for an individual;
creating a fingerprint of the record to be deleted, the fingerprint comprising at least one unique identifier associated with the individual;
encrypting the fingerprint using a one-way cryptographic hash;
storing the encrypted fingerprint and a deletion date on which the record was deleted in a deletion record database;
deleting the record from the computer database, and
confirming deletion of the record, wherein confirming deletion comprises:
providing the at least one unique identifier associated with the individual;
recreating the encrypted fingerprint using the at least one unique identifier and the one-way cryptographic hash;
querying the deletion record database with the recreated encrypted fingerprint to locate the stored encrypted fingerprint; and
confirming that the record was deleted on the deletion date.