Security device with extended reliability
US12099638B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2021 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | May 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.