Advanced spam detection techniques
US9305079B2 · kind B2 · utility
92Cited by
65References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2013 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Aug 1, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L51/212
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The subject invention provides for an advanced and robust system and method that facilitates detecting spam. The system and method include components as well as other operations which enhance or promote finding characteristics that are difficult for the spammer to avoid and finding characteristics in non-spam that are difficult for spammers to duplicate. Exemplary characteristics include analyzing character and/or number sequences, strings, and sub-strings, detecting various entropy levels of one or more character sequences, strings and/or sub-strings and analyzing message headers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.