Intrusion detection mechanism
US9380070B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2015 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Jan 20, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/40215
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method implemented on a node connected to a network bus includes: storing one or more message identifiers, the one or more identifiers comprising at least one message identifier identifying the node, the at least one message identifier being included in a message at a time when the message is sent by the node onto the network bus; monitoring network bus traffic, the network bus traffic comprising messages transmitted by the node and by other nodes connected to the network bus; and alerting a processor of the node if a message transmitted on the network bus by at least one of the other nodes is identified as having a message identifier corresponding to the at least one message identifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.