Personal computer internet security system

H - Electricity – 04 – L

Patent

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Details

H04L 9/00 (2006.01) G06F 9/44 (2006.01) G06F 11/30 (2006.01) G06F 15/173 (2006.01)

Patent

CA 2537582

A software application(100) installable on a personal computer(20) 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 (14). 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)(120) in which a secondary operating system (126) including a browser and any other desired applications are installed and run. Access permissions for communications between the computer at large (primary operating system) (20) and the secondary operating system (126) to prevent any access to the files on the primary operating system (20) from any operations originating from the secondary operation system (126). Activation of the secondary operating system (126) is required before any connection to the Internet (14) (or other external data source) is enabled.

L'invention porte sur une application logicielle (100) pouvant être installée sur un ordinateur personnel (20) permet de protéger les fichiers de données primaires de l'ordinateur contre des codes malveillants (par exemple des virus, des vers et des programmes troyens) venant d'une source de données externe, tel l'Internet (14). Un fichier principal sert d'image à partir de laquelle tous les autres codes et fonctions logicielles sont issus. L'activation du fichier d'image principal permet d'établir un environnement d'exploitation secondaire (bulle d'isolement) (120) dans lequel un système d'exploitation secondaire (126) comprenant un navigateur et n'importe quelle autre application désirée est installé et fonctionne. Des permission d'accès, afin d'établir des communications entre l'ordinateur dans son ensemble (système d'exploitation primaire) (20) et le système d'exploitation secondaire (126), empêchent l'accès aux fichiers du système d'exploitation primaire (20) de n'importe quelle exploitation issue du système d'exploitation secondaire (126). L'activation du système d'exploitation secondaire (126), obligatoire avant tout connexion à l'Internet (14) (ou à une autre source de données externe), est effectuée.

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