Patent ID: 11962618
Assignee: CITRIX SYSTEMS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 12:
13. A non-transitory computer readable medium storing executable sequences of instructions to provide protection against theft of user credentials, the sequences of instructions comprising instructions to:
identify a company name included in a received email;
identify a link in the received email;
extract a domain name from the identified link;
search a linkmap for an existing record associated with the identified company name, wherein the linkmap comprises a collection of records, the records relating names of companies to trusted domain names;
determine if the extracted domain name matches a trusted domain name of the existing record;
if the domain name matches the trusted domain name, identify the received email as genuine in response to the determination of a match; and
if the search of the linkmap fails to provide the existing record, create a new record comprising an identification of a recipient of the email, the identified company name, the extracted domain name, and a timestamp.