System and methods for detecting rollback
US9098676B2 · kind B2 · utility
1Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 2008 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Oct 2, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/1078
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an embodiment of a method of and system for detecting rollback of usage data, the usage data is recording in a database. A sequence value in the database is repeatedly advanced. A copy of the sequence value is repeatedly saved to protected storage. The copy of the sequence value in the protected storage is compared with the sequence value in the database, and it is determined whether the result of the comparison is consistent with normal operation of the database since the previous save to protected storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.