The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Sep. 11, 2024
Beijing Beyondinfo Technology Co., Ltd., Beijing, CN;
Abstract
A device and method used for protection against attacks using a HID keyboard or mouse, the device comprising: one or more HID internal interfaces for connecting the HID input interface of the protected device; one or more HID external interfaces for connecting to the external device; a forwarding control module for connecting to the HID internal interface and HID external interface respectively; and protocol analysis module, for performing protocol analysis on the external device connected to the HID external interface to determine whether the external device is a legitimate HID keyboard or mouse device; wherein, the forwarding control module is used to switch the HID internal interface and the HID external on or off to prevent illegal HID keyboard or mouse devices from accessing to the protected device. The present invention can prevent the unauthorized access of HID keyboard or mouse devices from damaging the protected devices.