Patent · US Active

Security device with extended reliability

US12099638B2 · kind B2 · utility

0Cited by
1References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 2021
Grant dateSep 24, 2024
Priority date
Expiry dateMay 8, 2043

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C5/0808
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A security hardware device is configured to secure a control apparatus. The security hardware device includes a data security domain; a functional safety domain; a data security processor provided in the data security domain and is configured to secure data from unauthorized access or manipulation; a functional safety processor provided in the functional safety domain and is configured to detect functional errors and generate respective safety alerts in response to detecting the functional errors; and a monitoring processor configured to analyze the respective safety alerts provided by the functional safety processor for at least one pattern of safety alerts indicative of a security attack and generate a response signal in response to the respective safety alerts having at least one of the at least one pattern of safety alerts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.