Fuzzy inclusion based impersonation detection
US11647046B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 27, 2018 |
| Grant date | May 9, 2023 |
| Priority date | — |
| Expiry date | Sep 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L51/212
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Aspects of this disclosure include fuzzy inclusion based impersonation detection technology. In one embodiment, a reverse n-gram map is created for the list of protected entities. A suspicious string may be broken into n-grams, and each n-gram of the suspicious string is to be searched in the reverse n-gram map for corresponding protected entities. A fuzzy inclusion of a protected entity may be detected in the suspicious string depending on the protected entities found during the search. Subsequently, impersonation can be identified based on the characteristics of the fuzzy inclusion. In this way, the communication system can detect impersonation techniques using visually similar text, and accordingly take various actions to help user mitigate risks caused by impersonation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.