Security monitor

Details Security monitor Security monitor

1997-03-27

1999-10-26

Kizou, Hassan

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

714 47, G06F 1214, G06F 1300, G06F 1500, G06F 1100

Patent

active

059745495

ABSTRACT:
The present invention is a method of creating a secure sandbox within which a plurality of downloaded software components can execute in a secure manner. The software components can be of any type, e.g., Java, ActiveX, Netscape plugin, etc. The invention implements a security monitor that is injected to the address space of an arbitrary monitored application such as a Web browser, e.g., Internet Explorer, Netscape Navigator, etc. The monitored application then executes in a secure mode in which every software component downloaded executes in a secure sandbox. The security monitor detects when such a software component is downloaded and is operative to create the sandbox around it before it is permitted to execute. If the software component attempts to commit an action that breaches security, it halts the software component's execution and issues a warning to the user. The security monitor detects attempted security breaches by the software component in accordance with a user configurable security policy. Such a policy may include limiting file read/write access, access to directories, disk access, creation and the reading/writing of network connections, access to system resources and services and access to the address spaces of other processes.

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Jeffrey Richter, Microsoft Systems Journal, May 1994.

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