Intrusion detection system based on 2-point profiling of signal characteristics
US10124764B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2017 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Sep 29, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/40273
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Various systems and methods for intrusion detection are described herein. An electronic device for intrusion detection includes memory circuitry to store a set of signature voltage ratios and a corresponding set of node identifiers, each node identifier corresponding to a unique signature voltage ratio; and security circuitry to: compare voltages received at a first and second measuring point on a bus, the voltages resulting from a message transmitted by a sending node on the bus, the first measuring point providing a first voltage and the second measuring point providing a second voltage; calculate a test voltage ratio from the first voltage and the second voltage; determine whether the test voltage ratio is in the set of signature voltage ratios; and initiate a security response based on whether the test voltage ratio is in the set of signature voltage ratios.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.