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| Number | Title | Issue Date |
| 6772332 | System and method for providing secure internetwork services via an assured pipeline A system and method for the secure transfer of data between a workstation connected to a private network and a remote computer connected to an unsecured network. A secure computer is inserted into the private network to serve as the gateway to the unsecured network ... | 08/03/2004 |
| 6658571 | Security framework for dynamically wrapping software applications executing in a computing system A security framework for wrapping standard, commercially-available software applications in order to limit the amount of potential damage that a successful attacker or corrupt program can cause. The security framework includes a security master that coord... | 12/02/2003 |
| 6640307 | System and method for controlling access to documents stored on an internal network A system and method of limiting access from an external network to documents stored on an internal network. A client list is built in which each client is assigned to one or more roles. Each role has access to one or more documents as defined on a documen... | 10/28/2003 |
| 6453419 | System and method for implementing a security policy A system and method of implementing a security policy, comprising the steps of providing a plurality of access policies, defining a process and connecting the access policies and the process to form a security policy.... | 09/17/2002 |
| 6357010 | System and method for controlling access to documents stored on an internal network A system and method of limiting access from an external network to documents stored on an internal network. A client list is built in which each client is assigned to one or more roles. Each role has access to one or more documents as defined on a documen... | 03/12/2002 |
| 6332195 | Secure server utilizing separate protocol stacks A secure commerce server system and method. A secure commerce server system includes a plurality of regions or burbs, including an internal burb and an external burb, a commerce server and an administration server. Processes and data objects associated wi... | 12/18/2001 |
| 6321336 | System and method for redirecting network traffic to provide secure communication A communication security system is described which uses a server to communicate to an unprotected network, such as the Internet. The system intercepts an IP packet prior to stack incursion and replaces the destination address with that of a firewall's net... | 11/20/2001 |
| 6301658 | Method and system for authenticating digital certificates issued by an authentication hierarchy A method and system for efficiently authenticating digital certificates issued by an organization's authentication hierarchy. The system includes a verification server that manages a certificate repository and a verification cache having entries for verif... | 10/09/2001 |
| 6219707 | System and method for achieving network separation A system and method of achieving network separation within a computing system having a plurality of network interfaces. A plurality of burbs or regions is defined, wherein the plurality of burbs includes a first and a second burb and wherein each burb inc... | 04/17/2001 |
| 6209101 | Adaptive security system having a hierarchy of security servers An adaptive security system having a hierarchy of security servers. The security system maintains a primary security server for each task or process executing within a computing environment. An enforcement mechanism receives resource requests from the tas... | 03/27/2001 |
| 6182226 | System and method for controlling interactions between networks A firewall is used to achieve network separation within a computing system having a plurality of network interfaces. A plurality of regions is defined within the firewall and a set of policies is configured for each of the plurality of regions. The firewa... | 01/30/2001 |
| 6144934 | Binary filter using pattern recognition An electronic message filtering system and method is described. A message is received as input to the filter and decomposed into a set of components. The set of components is then processed through a pattern matching algorithm to determine if the message ... | 11/07/2000 |
| 6072942 | System and method of electronic mail filtering using interconnected nodes A system and method for filtering electronic mail messages is described. A message is received an processed through a one or more filter flows. Each filter flow is comprised of one or more self-contained nodes which can be combined in whatever order is re... | 06/06/2000 |
| 6003084 | Secure network proxy for connecting entities A proxy which is part of a firewall program controls exchanges of information between two application entities. The proxy interrogates attempts to establish a communication session by requesting entities with a server entity in lower layers in accordance ... | 12/14/1999 |
| 5983350 | Secure firewall supporting different levels of authentication based on address or encryption status A system and method for regulating the flow of messages through a firewall having a network protocol stack, wherein the network protocol stack includes an Internet Protocol (IP) layer, the method comprising establishing a security policy, determining, at ... | 11/09/1999 |
| 5968133 | Enhanced security network time synchronization device and method An external portion or burb of a host computer receives messages from external servers representative of accurate time from one or more peer computers coupled by a network. A process called a client on the external burb processes the messages and then acc... | 10/19/1999 |
| 5950195 | Generalized security policy management system and method A system and method for regulating the flow of internetwork connections through a firewall having a network protocol stack which includes an Internet Protocol (IP) layer. A determination is made of the parameters characteristic of a connection request, in... | 09/07/1999 |
| 5918018 | System and method for achieving network separation A system and method of achieving network separation within a computing system having a plurality of network interfaces. A plurality of burbs or regions is defined, wherein the plurality of burbs includes a first and a second burb and wherein each burb inc... | 06/29/1999 |
| 5915087 | Transparent security proxy for unreliable message exchange protocols A proxy which is part of a firewall program controls exchanges of messages between two application entities. The proxy interrogates attempts to send a communication session by requesting entities with a server entity in accordance with defined authenticat... | 06/22/1999 |
| 5913024 | Secure server utilizing separate protocol stacks A secure commerce server system and method. A secure commerce server system includes a plurality of regions or burbs, including an internal burb and an external burb, a commerce server and an administration server. Processes and data objects associated wi... | 06/15/1999 |
| 5867647 | System and method for securing compiled program code A system and method of providing increased security for compiled program code. Compiled program code is installed in a computer having type enforcement capability. The compiled program code is allowed to execute and type enforcement violations are logged.... | 02/02/1999 |
| 5864683 | System for providing secure internetwork by connecting type enforcing secure computers to external network for limiting access to data based on user and process access rights A system and method for the secure transfer of data between a workstation connected to a private network and a remote computer connected to an unsecured network. A secure computer is inserted into the private network to serve as the gateway to the unsecur... | 01/26/1999 |
| 5822435 | Trusted path subsystem for workstations A method and apparatus for ensuring secure communication over an unsecured communications medium between a user working on an unsecured workstation or computer and a host computer. A secure user interface is created by inserting a trusted path subsystem b... | 10/13/1998 |
| 5796836 | Scalable key agile cryptography A system and method for encrypting blocks of plain text. Output FIFO memories are provided for decoupling pseudorandom vector generation from plain text encryption. The output FIFOs produce the effect of multiplexing several cryptographic devices together... | 08/18/1998 |
| 5596718 | Secure computer network using trusted path subsystem which encrypts/decrypts and communicates with user through local workstation user I/O devices without utilizing workstation processor A method and apparatus for ensuring secure communication over an unsecured communications medium between a user working on an unsecured workstation or computer and a host computer. A secure user interface is created by inserting a trusted path subsystem b... | 01/21/1997 |
| 5502766 | Data enclave and trusted path system A data communication system providing for the secure transfer and sharing of data via a local area network and/or a wide area network. The system includes a secure processing unit which communicates with a personal keying device and a crypto media control... | 03/26/1996 |
| 5499297 | System and method for trusted path communications A system and method for identifying and authenticating users and for controlling the access of those users to privileged instructions within a data enclave. The data enclave includes a plurality of controllers, such as workstations, connected over a netwo... | 03/12/1996 |
| 5276735 | Data enclave and trusted path system A data communication system providing for the secure transfer and sharing of data via a local area network and/or a wide area network. The system includes a secure processing unit which communicates with a personal keying device and a crypto media control... | 01/04/1994 |
