Patent ID: 11868450
Assignee: SUNSTONE INFORMATION DEFENSE, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A security device apparatus for providing security to user-entered inputs, the apparatus comprising:
a port configured to receive a connector of an input device;
a connector configured to connect to a port of a user device; and
a security processor communicatively coupled to the port and the connector, the security processor configured to:
receive a string of characters from the input device that correspond to inputs made by a user on the user device into a web browser or application that is in communication with an application server,
add at least one security character to the string of characters to generate a watermark string where the at least one security character includes an identifier comprised of one or more identifier characters and a delete key input or a backspace key input after each of the one or more identifier characters, and
transmit the watermark string to the user device,

wherein the security processor is configured to format the at least one security character such that only the string of characters are displayed in the web browser or the application at the user device.