Patent ID: 11888880
Assignee: UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA)
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. A keyboard detection system, comprising one or more processors and memory communicatively coupled to the one or more processors, wherein the memory comprises instructions configured to cause the one or more processors to:
monitor keystroke activity associated with an account;
determine error text representative of a common misspelling of target text based on the keystroke activity, wherein the error text comprises a first plurality of characters, and the target text comprises a second plurality of characters;
receive input data during usage of the account, wherein the input data comprises a third plurality of characters;
determine the input data is a misspelling of the target text based on the third plurality of characters of the input data comprising a subset of the second plurality of characters of the target text;
determine that the third plurality of characters of the input data does not comprise the first plurality of characters of the error text;
provide an alert indicative of potential unauthorized usage of the account in response to determining that the input data is the misspelling of the target text and the third plurality of characters of the input data does not comprise the first plurality of characters of the error text; and
limit access to the account in response to detecting the input data comprises one or more unprintable characters.