Information security – Access control or authentication – Stand-alone
Reexamination Certificate
2007-10-09
2007-10-09
Smithers, Matthew (Department: 2137)
Information security
Access control or authentication
Stand-alone
C713S176000, C709S223000
Reexamination Certificate
active
11591112
ABSTRACT:
A software application installable on a personal computer protects the computer's primary data files from being accessed by malicious code (e.g., viruses, worms and trojans) imported from an external data source, such as the Internet. A master file serves as the image from which all other software code and functions are derived. Activation of the master image file establishes a secondary operating environment (isolation bubble) in which a secondary operating system including a browser and any other desired applications are installed and run. Access permissions for communications between the computer at large (primary operating system) and the secondary operating system to prevent any access to the files on the primary operating system from any operations originating from the secondary operation system. Activation of the secondary operating system is required before any connection to the Internet (or other external data source) is enabled.
REFERENCES:
patent: 6526488 (2003-02-01), White et al.
patent: 2002/0069369 (2002-06-01), Tremain
patent: WO 3010922 (2003-02-01), None
Reiner Sailer, Trent Jaeger, Xiaolan Zhang, and Leendert van Doorn, “Operating Systems Security: Attestation-based policy enforcement for remote access”, Proceedings of the 11th ACM conference on Computer and Communications Security CCS'04, Oct. 2004, pp. 308-317.
Copeland Scott R.
Goodman Reginald A.
Exobox Technologies Corp.
Fields Courtney D.
Smithers Matthew
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