| CPC G06F 21/577 (2013.01) [G06F 16/9538 (2019.01); G06F 21/6263 (2013.01); G06F 2221/034 (2013.01)] | 20 Claims |

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1. A non-transitory, machine-readable medium storing instructions that, when executed by one or more processors, effectuate operations comprising:
receiving, by a computer system, a session identity protection query that includes a target domain;
accessing, by the computer system, a security database of compromised cookie data associated with a plurality of domains, wherein the compromised cookie data includes data to emulate a browser fingerprint of a user's web browser;
determining, by the computer system, the target domain is associated with first compromised cookie data of the compromised cookie data included in the security database; and
providing, by the computer system, the first compromised cookie data in response to the session identity protection query.
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