Managed distribution of digital assets
US7814021B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2003 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Sep 8, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L41/0613
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A technique for establishing usage control over digital assets such as computer files. The system model not only tracks authorized users' access to files, but monitors passage of such files to uncontrollable removable storage media or through network connections and the like which may indicate possible abuse of access rights. In accordance with a preferred embodiment, an autonomous independent agent process running at a point of use, such a background process in a client operating system kernel, interrupts requests for access to resources. The agent process senses low level system events, filters, and aggregates them. A policy engine analyzes sequences of aggregate events to determine when policy violations occur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.